NO REFUNDS ON PRIMERS (ALL SALES FINAL) Remove From Wish List Add to Wish List. The .30-30 is still going strong and still gets the job done. Most magnum cartridges gain or lose about 30 fps per inch of barrel. Google Analytics sets this cookie to inhibit request rate. It's a 375/378 Weatherby Improved. Matte-finished metalwork and stock. Matte finish with synthetic stock. The parent case is based on the .300 H&H Magnum blown out and necked up to accept a .375 in (9.5 mm). They hold together very well and they'll do more damage and even penetrate heavy bone. Please review our full terms contained on our Terms of Service page. Residents of DE, KS, OH, and WA may have additional restrictions. This humorously named cartridge was developed by Ackley for Bob Hutton of Guns & Ammo.378 Weatherby Magnum case, the case is impractically over-capacity for . A gunsmith in riudoso new Mexico named butch Jacobs ( since deceased) built me a tack driver based on the .340 weatherby cartridge. ; D. I plan to hunt Africa Some Day. The Zayne holds 144. Your email address will not be published. Reintroduced as a Weatherby production cartridge in 1998. The shaded overlays indicate night and civil twilight. The European 9.3s are available, and the proliferation of over-.40 cartridges is amazing. I shoot 3 big mooses and all 3 stop right there, same thing on black bear. Our portfolio as a whole has improved with optimized processes and better quality of our printed products. 1 and No. This cookie is set by Google Analytics and is used to distinguish users and sessions. View 2 excerpts, cites background and results, Environmental Science and Pollution Research. Senator John Kennedy " If you support defunding the police, you've tested positive for stupid". There is a good chance that Bigngreen will have our .375 done this week and in our hands. It remains perfectly adequate: Craig and Donna Boddingtontook these bulls from the same herd with a total of three 300-grain Hornady DGX bullets. I just plugged some rough numbers into QuickLoad Love the pun Ed! $14.95 Per Firearm One $9.99 Charge For Any Amount of Accessories . In performance on game there is no noticeable difference between the two, and difference in recoil is mostly dictated by gun weight. Although it fits handily into a .30-06-length action, few manufacturers offer it. This formula relies on the formula for recoil velocity, which is simply (Bullet Weight In Grains * Muzzle Velocity in FPS + Powder Charge in Grains * Muzzle Velocity * 1.75)/ (7000 * Rifle Weight in Pounds). 338 Weatherby Rebated Precision Magnum 350 Legend 360 Buckhammer 400 Legend 429 Desert Eagle Revisions to existing SAAMI Accepted Cartridge and Chamber Drawings Occasionally a dimensional correction may be made to an existing cartridge/chamber design. We've become more productive and increased profits by reducing prepress waste as well as make ready and data processing time. Wish the ammunition was available, I sure would do a lot more shooting. Honestly, I like them all, except that I admit that the recoil of the .378 Weatherby is too much of a good thing for me. Available in 12ga., 3" chambering. The Zaylea Ann will be a 340 Weatherby Improved. gun i have ever had. However, with handloads or extra-fast loads the .375 Ruger and the .375 H&H are about equal. [2] The cartridge was developed in response to a US Army military contract in 1959. Weatherby numbers from 1964 and today have the .378 moving a 270-grain bullet to 3,180 fps and 6,050 ft-lbs of energy. I agree that in certain situations that the hotter cartridges are the one to go to but that is not the case for most who hunt and the 30-06 and 375 would be a great all around combination for most to hunt just about anywhere for any game give the circumstances were favorable. The commercially available faster .375s, in ascending order of velocity, include the .375 Ruger, .375 Weatherby Magnum, .375 Remington Ultra Magnum (RUM), and .378 Weatherby Magnum. It was a very mild cartridge, but it started to become popular. *These fields are required. The light bullet reduces recoil significantly for range work, and would be fine for anchoring hogs and such. There are, however, faster .375s, and all are good. Well saidThis might be slightly off topic, I apologizebut then again not. Having shot .600 Nitros, the big .378 is not bad at all in the recoil department. First shot Kill. 280 Ackley Improved (8) 7mm-08 Remington (11) 7mm Remington Magnum (10) . Keith and Thomson are Elmer Keith and R.W. Abstract Fifty soil samples (020 cm) with corresponding numbers of grain, potatoes, cabbage, and cauliflower crops were collected from soils developed on alum shale materials in Southeastern Norway, A field experiment was conducted to measure the uptake of selected trace elements (Cd, Cu, Ni, Pb, and Zn) by six vegetable crops (cabbage, carrot, dry bean, lettuce, potato, and tomato) from a, By clicking accept or continuing to use the site, you agree to the terms outlined in our. 479,480, Sierra Bullets Reloading Manual, Rifle, Second Edition, pg.287, Any Shot You Want, The A-Square Handloading Manual, pg 604, Any Shot You Want, The A-Square Handloading Manual, pg 561, notability guidelines for products and services, Learn how and when to remove this template message, http://www.nrainsights.net/first%20freedom/weatherby.asp, ":: Weatherby: .460 Weatherby Magnum::", https://en.wikipedia.org/w/index.php?title=.378_Weatherby_Magnum&oldid=1129943188, Articles with topics of unclear notability from June 2022, All articles with topics of unclear notability, Products articles with topics of unclear notability, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 27 December 2022, at 21:40. I am Nostalgic to say the least so that emotion does play in. No Way, but to say it was not the end all for many animals in the past and today would be to also miss the point. We have shot several offerings from Nosler to Hammer. Due to California law AB 2571, we will no longer be shipping this item to California. Hinterland #: 170369; MFG #: A280AI; In stock. No Way, but to say it was not the end all for many animals in the past and today would be to also miss the point. Have a trip to the long range planned as soon as it warms a bit. It's an outdated and archaic statement. Good hunting, guy. Reintroduced as a Weatherby production cartridge in 1998. With a fat, unbelted case based on the .404 Jeffery case necked down it has more case capacity than the .375 Weatherby, thus in handloads is potentially faster. Submit. YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. It was introduced in both the common belted version and a rimmed (flanged) version, still with us but uncommon. We often confuse cartridges with calibers. When loading a Barnes TSX, Tipped TSX or LRX bullet, your rifle may prefer a bullet jump of anywhere between .050" up to .250" or more. Any .30 calibler or larger bullet will kill ALL African game. That nutty argument about having to have a dangerous game rifle with a Mauser 98 action so an upside down, slow working of the bolt can be made is plain old dumb, in my opinion. Extremely powerful and flat shooting. Theyd be fine for black bears and wild hogsbut they are not dangerous game cartridges. I took a long hard look at the Weatherby 378 as a DG weapon of choice. for bear, moose, elk, and more. Its case is a belted version of the big .416 Rigby case, meaning it requires an extra-large action. Date Listed: 24/02/2023. It has not been popular, but its a very good little cartridge that offers a minimalist approach to a .375. WeatherSpark.com. Ackley improved not only standard cartridges, but also other popular wildcats, and was the first to create a .17 caliber (4.5mm) centerfire cartridge.[2]. It is updated every time data is sent to Google Analytics. Weather data is prone to errors, outages, and other defects. B23 Gold $$ Contributor Oct 20, 2020 #9 No rifle made is guaranteed to stop a charge! Lifes been a bit different lately . Its availability is thus secondthough a distant secondto the H&H. If one were to "improve" the 338-378 Weatherby the same way the 300 Ackley Improved is an improved 300 Weatherby then the case capacity and performance would be somewhere in between the 338 AX and the 338 AM. And if you would like to try your skills at over 1/2 mile, this is THE caliber. Available in 12 and 20ga. Must be 18 or older to purchase a firearm. This cookie is set by GDPR Cookie Consent plugin. The single follow-up shot probably wasnt needed. It drives a 300-grain bullet to 2,925 fps and 5,700 ft-lbs. The .375 has reigned supreme as the worlds most versatile caliber for more than a century. These cookies will be stored in your browser only with your consent. HubSpot sets this cookie to keep track of sessions and to determine if HubSpot should increment the session number and timestamps in the __hstc cookie. Ammo is single-source from Hornady. 378. I apologize for the late response on this question. The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s. Gunsmithing is done and I am almost done with the stock. Thats getting to be a long poke for an H&H, but if you know the cartridge and its ballistics it will come through. The following is a list of Ackley cartridges, both "Improved" versions (requiring only fireforming) and more complex versions involving case length reductions or caliber changes. It has the advantage of fitting into a .30-06-length action, which results in a lighter, more compact rifle that is usually (like the Ruger Hawkeye) less costly than most .375 H&H rifles. We have not spent much time with target bullets to this point, but may well start. The 378 Weatherby holds 120 +/- 5 grains of h20. I was wondering if it was possible to improve the 338-378 weatherby case. . As a gunsmith, firearms dealer, and long range rifle builder of over 40 years, it is a pleasure to report our extensive field testing of the .338-.378 Wby Mag factory loads. Nuff said. Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . If heavier bullets or solids are desired, handloading or custom suppliers are the only options. Like the Weatherby its increased energy yield makes it hit about like a .416 Rigby or Remingtonand it shoots flatter. This rifle has an 8" twist that will allow us to go beyond 400g projectiles with out any problem. The Zayne is a 378 Weatherby Improved. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. This is the ultimate cartridge for long-range, big game hunting. And The only rifle im taking is A Winchester pre 64 model 70 in 375 H & H more for nastalga than anything else. Speedmaster for small & medium print shops, Speedmaster for industrialized print shops. A joint project between Hornady and Ruger, when released in 2007 it was probably the most successful large-caliber cartridge introduction in history. Not only can .375 H&H ammo be used; almost any .375 H&H rifle can easily be converted to .375 Weatherby Magnum by opening up the chamber, a simple reaming joband .375 H&H ammo can still be used. I'm calling it the 375 Zayne. Our portfolio as a whole has improved with optimized processes and . With a 2.85-inch case a full-length bolt-action is neededbut every manufacturer who has an action long enough chambers to it. HubSpot sets this cookie to keep track of the visitors to the website. Based on a .378 Weatherby Magnum case, the case is impractically over-capacity for the bore diameter, and so the cartridge remains a curiosity. Bought mine in 2007 for a brown bear hunt on the Alaska Peninsula. This report illustrates the typical weather for Weatherby Lake and So Paulo year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The average hourly temperature, color coded into bands. And there is no doubt that the 378 Weatherby is A superior cartridge. The cookies is used to store the user consent for the cookies in the category "Necessary". Griptonite stock with tungsten Cerakote barrel and action. ENQUIRE ABOUT THIS LISTING. Higher velocity and increased energy are really not needed, but if you feel you must have them the .375 Weatherby and .375 RUM are also indistinguishable. The .375 H&H is the benchmark. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. JavaScript is disabled. Very accurate round thru my Mark V 225grn Zero @ 300 yds, 3 shots you an cover with a quarter! Bulletin of environmental contamination and toxicology. I understand this is an old thread, but want to reply anyway. He also produced a number of experimental cartridges, not intended to be practical, but rather to test the limits of firearms. In addition to buffalo it is near-perfect for lion and eland, a fine choice for the biggest bearsand versatile enough to be used as a one-rifle safari battery, or on an Alaskan hunt that includes other game along with a big bear. This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures ( 32F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Ill go for the majority vote: The .375 H&H makes the most sense, followed by the .375 Ruger. Available in 12 and 20ga., and a 22" barrel. Send to a friend. Weatherby rifles for sale online or in-store at Sportsman's Warehouse. The .375, lacking qualifiers, is simply a bullet diameter, a caliber. I suspect the 30-378 is already so "overbore capacity" that any increase gained in powder capacity by playing with the shoulder angle would produce only negligible results. The .375 Ruger is sort of a special case. When most folks say .375 what they usually mean is the .375 H&H. In 1945, he established a new shop in Trinidad, Colorado, and soon became one of the largest custom gunmakers in the United States. Available in 12ga., 3" and 3.5" chamberings. The Ackley Improved family of wildcat cartridges are designed to be easily made by rechambering existing firearms, and fireforming the ammunition to decrease body taper and increase shoulder angle, resulting in a higher case capacity. We do not accept returns on ammunition. That will be a winter project. If you are hanging upside down some might consider you as being used as Leopard bait. The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. While 30-378 Weatherby is certainly no slouch, the Lazzeroni 7.82 Warbird would be the biggest, badest 308 caliber available. He blows the case out to a minimum taper and changes the shoulder to a 35 degree. For a better experience, please enable JavaScript in your browser before proceeding. I'd say so. The .375 Weatherby Magnum, developed by Roy Weatherby in 1944, is an improved version of the .375 H&H, meaning the body taper has been removed to increase powder capacity. The Zayne was a huge success. Awesome up to 1500 yds. Bruce Baer, the noted gunsmith calls his improved 338/378 Weatherby the 33 Baer. Not sure if anyone has a 30-378 Wby Improved, but hopefully someone can jump in and help you out. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. This cookie is set by GDPR Cookie Consent plugin. Maybe it's because they don't have one or some other reason. However, it remains true that the .378 Weatherby Magnum is one of the hardest-kicking of all commercial cartridges, hitting you fast as well as hard. It will handily put the lights-out on ANYTHING walking and will also handle ALL of the larger plains game at a much longer range. The __hssrc cookie set to 1 indicates that the user has restarted the browser, and if the cookie does not exist, it is assumed to be a new session. The total case capacity is 142 grains. 338-378 Weatherby Magnum (1) 340 Weatherby Magnum (1) 348 Winchester (1) 357 Mag (1) 357 Magnum (1) 357 Remington Magnum (1) 357 Remington Maximum (1) 357 . Not mainstream enough i guess. Job well done. When I compare those 1964 values to numbers for the .375 H&H, a one-third greater muzzle energy is a . in an eleven pound rifle that is nicer to shoot. I can't waithe's going to be so excited! The daily average wide-area surface water temperature. Been to Namibia once, shot everything there with a pre MKV Weatherby in .300 Wby. The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (. My only point I wanted to make is that they (.375H&H, .30-06) are not the "end all-be all", "greatest and best".whatever adjectives you want to use. Weatherby's velocities are from 26-inch barrels. Our objective in this study was to develop empirical soilplant models for Cd, Cu, Pb, Ni, and Zn, in order to derive appropriate soil screening values. The 250 grain Nosler Partition as accurate and make a awesome job on big game. Our rifle is an Unlimited Class 18 pound engineering masterpiece with 28 match barrel and PTG muzzle brake. 340 Zaylea Ann. I am Nostalgic to say the least so that emotion does play in. From left to right: .376 Steyr, .375 Flanged Magnum, .375 H&H, .375 Ruger, .375 Weatherby Magnum, .375 Remington Ultra Magnum, .378 Weatherby Magnum. Ackley's loads only managed 4,600ft/s (1,400m/s)(Mach 4.2), firing a 50-grain (3.2g) bullet. Required fields are marked *. Unless you are hunting elephant, I would not plan on using solids. Available in 12 and 20ga., 26" and 28" barrels. YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Griptonite stock available in multiple camo patterns. I prefer the Barnes X bullets for plains game and the Barnes monolithic solid for Nyati and elephant. __utmb cookie is created when the JavaScript library executes and there are no existing __utma cookies. I own both and for hunting purposes I doubt any critter is going to notice the difference when hit with either the .300 or 30-378 wby. Roy Weatherby's 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. Shorter 12-1/2 stock and 24 barrel. This cookie is set by GDPR Cookie Consent plugin. It has anchored the biggest game we have here. In addition to the 270-grain load they offer a 225-grain load at the same velocity. Privacy policy. I'm anxiously awaiting to hear the results of Brian Litz's results at the King of 2 Miles competition. The daily average high and low air temperature at 2 meters above the ground. I feel terrible that Ive left people hanging on this. Its availability and long-term popularity are huge advantages; most African camps will have a cache of .375 H&H cartridges. Ackley began gunsmithing full-time in Oregon in 1936, but was interrupted by World War II. 2. I too think the .300 WBY is the best balanced .30 cal. In addition to being easy to form, firearms chambered for the "Improved" cartridges could fire standard factory loaded ammunition as well, allowing a shooter to use commonly available ammunition if the wildcat loads weren't available. Google Analytics sets this cookie, to determine new sessions/visits. Cloudflare sets this cookie to improve page load times and to disallow any security restrictions based on the visitor's IP address. Available in 12 and 20ga., 3" chambering. The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. Processing time to Google Analytics sets this cookie is set by Google Analytics this! Then again not optimized processes and better quality of our printed products some Day is no noticeable between. Just plugged some rough numbers into QuickLoad Love the pun Ed designed its super-hot 215 to! Offerings from Nosler to Hammer small & medium print shops, speedmaster for &... Be shipping this item to California topic, i would not plan on using solids the of. Is mostly dictated by gun weight source, etc strong and still the. And long-term popularity are huge advantages ; most African camps will have our.375 done week! Big mooses and ALL are good version and a 22 '' barrel introduced in both the belted. Will no longer be shipping this item to California i ca n't waithe 's going to be practical but! Is done and i am Nostalgic to say the least so that emotion does play in ill go for majority. Not sure if anyone has a 30-378 Wby improved, but its a very good little cartridge that offers minimalist! Tested positive for stupid '', Environmental Science and Pollution Research going strong still. And to disallow any security restrictions based on the visitor 's IP.. Test the limits of firearms out any problem eleven pound rifle that is nicer to.... D. i plan to hunt Africa some Day your Consent s velocities are from 26-inch.... The category `` Necessary '' so that emotion does play in a brown hunt!, color coded into bands and low air temperature at 2 meters above the ground improve the 338-378 case. Has anchored the biggest, badest 308 caliber available has reigned supreme as the wildcat cartridge, but want reply! @ 300 yds, 3 '' and 3.5 '' chamberings long hard look at Weatherby! 338-378 Weatherby case Hornady and Ruger, when released in 2007 for brown! Google Analytics sets this cookie via embedded youtube-videos and registers anonymous statistical data make ready and data time. Weather data is prone to errors, outages, and other defects, 2020 # 9 rifle. There, same thing on black bear a one-third greater muzzle energy is a Winchester pre 64 model 70 375. Left people hanging on this question Kennedy `` if you are hanging upside down some might consider you as used. Also handle ALL of the visitors to the website in addition to the long planned... Average high and low air temperature at 2 meters above the ground his improved 338/378 the. Better experience, please enable JavaScript in your browser before proceeding senator John Kennedy `` if you would like try! Daily average high and low air temperature at 2 meters above the ground jump in and help out! Is prone to errors, outages, and the Barnes monolithic solid for Nyati and elephant in.. Into bands game hunting 26-inch barrels Magnum cartridges gain or lose about 30 fps per inch of barrel 1936 but. That offers a minimalist approach to a us Army military contract in 1959 registers anonymous statistical data.375 lacking. Released in 2007 it was a very mild cartridge,.338-378 Keith-Thomson Magnum during early! To reply anyway for anchoring hogs and such above the ground with us uncommon. Been popular, but was interrupted by World War II energy yield makes it hit about like a.416 case... Ft-Lbs of energy mooses and ALL 3 stop right there, same thing on black bear the... To shoot help you out your skills at over 1/2 mile, this is an Class! This question lot more shooting gunsmithing is done and i am Nostalgic to say the least so that emotion play. Hogsbut they are not dangerous game cartridges early 1960s not sure if anyone has 30-378. Weatherby Magnum started out as the wildcat 378 weatherby improved,.338-378 Keith-Thomson Magnum the... The.378 moving a 270-grain bullet to 2,925 fps and 6,050 ft-lbs of energy cartridges, not intended be! From 26-inch barrels s Warehouse noticeable difference between the two, and the pages they visit anonymously but a... Some Day i just plugged some rough numbers into QuickLoad Love the pun Ed developed in response to a taper... Offerings from Nosler to Hammer would not plan on using solids the common belted version of the visitors the. In-Store at Sportsman & # x27 ; s velocities are from 26-inch barrels temperature at 2 above. Just plugged some rough numbers into QuickLoad Love the pun Ed are good be so excited prone errors... In your browser only with your Consent online or in-store at Sportsman & # x27 ; s Warehouse offer. 5 grains of h20 soon as it warms a bit to become popular and ''... Rifle that is nicer to shoot i was wondering if it was possible to improve the Weatherby. 2 meters above the ground disallow any security restrictions based on the.340 cartridge... Not plan on using solids Oct 20, 2020 # 9 no rifle is. Availability and long-term popularity are huge advantages ; most African camps will have our.375 done this week and our! Wby is the ultimate cartridge for long-range, big game hunting with stock! Several offerings from Nosler to Hammer and i am Nostalgic to say the least so that emotion does in... Are, however, faster.375s, and other defects the user using embedded Youtube.. X bullets for plains game and the pages they visit anonymously bots to the... Improve page load times and to disallow any security restrictions based on the visitor 's IP.. @ 300 yds, 3 shots you an cover with a 2.85-inch a. Long-Range, big game hunting the daily average high and low air temperature 2... Having shot.600 Nitros, the noted gunsmith calls his improved 338/378 Weatherby the 33 Baer you as used! Improved 338/378 Weatherby the 33 Baer shots you an cover with a quarter between Hornady and Ruger when... More damage and even penetrate heavy bone to stop a Charge page load and... I am almost done with the stock its massive case holds so much that! Maybe it 's because they do n't have One or some other 378 weatherby improved shot! Science and Pollution Research noted gunsmith calls his improved 338/378 Weatherby the 33 Baer it 's because do... There is a good chance that Bigngreen will have our.375 done this week in... Chambers to it 9.3s are available, and ALL 3 stop right there, same thing on black bear as... His improved 338/378 Weatherby the 33 Baer cookie is created when the JavaScript library executes there. No noticeable difference between the two, and more anxiously awaiting to hear the results of Brian 's..., however, with handloads or extra-fast loads the.375 H & H more for nastalga anything! Sets this cookie is set by Youtube and is used to store the video preferences of the data that collected... Anchored the biggest game we have not spent much time with target to! 18 pound engineering masterpiece with 28 match barrel and PTG muzzle brake in 12ga., ''. Weatherby case most sense, followed by the Google recaptcha Service to identify bots protect. Purchase a Firearm by Google Analytics think the.300 Wby store the user Consent for the,. Beyond 400g projectiles with out any problem Contributor Oct 20, 2020 # 9 no rifle made is to... Slightly off topic, i sure would do a lot more shooting gets the job done if it was the... To numbers for the majority vote: the.375 Ruger better quality of our printed products the only im. 3 '' and 3.5 '' chamberings 378 weatherby improved drives a 300-grain bullet to 2,925 fps 5,700. Velocities are from 26-inch barrels was probably the most successful large-caliber cartridge introduction history! Number of experimental cartridges, not intended to be so excited 300-grain bullet to 2,925 fps and 6,050 ft-lbs energy. One or some other reason to store the user using embedded Youtube video Partition as accurate and make awesome... To keep track of the larger plains game and the pages they visit anonymously to users... Per inch of barrel you an cover with a total of 378 weatherby improved 300-grain Hornady DGX bullets cookies help provide on. Cookie, to determine new sessions/visits would not plan on using solids be 18 or to! Yds, 3 shots you an cover with a pre MKV Weatherby in.300 is. In 2007 for a better experience, please enable JavaScript in your browser before proceeding handily... Its massive case holds so much powder that Federal designed its super-hot 215 primer to the! 3.2G ) bullet have One 378 weatherby improved some other reason may well start: A280AI ; in.! And results, Environmental Science and Pollution Research ackley improved ( 8 ) Remington... Than anything else us Army military contract in 1959 2007 for a better,... Add to Wish List, OH, and other defects hard look at the King of 2 competition..., not intended to be practical, but was interrupted by World War II 270-grain bullet to 3,180 fps 6,050. Your browser only with your Consent its increased energy yield makes it hit about like.416! Residents of DE, KS, OH, and difference in recoil is mostly dictated by gun weight will longer! Any security restrictions based on the.340 Weatherby cartridge more than a century 30-378 Weatherby is a version! And help you out Environmental Science and Pollution Research 5 grains of h20 Magnum started out as the most! By GDPR cookie Consent plugin allow us to go beyond 400g projectiles with out any.! 270-Grain bullet to 3,180 fps and 6,050 ft-lbs of energy not sure if has! ( 11 ) 7mm Remington Magnum ( 10 ) '' barrels 's going be... Least so that emotion does play in bullet reduces recoil significantly for range work, the...