Presently, the .350 Legend, .450 Bushmaster, and .50 Beowulf are the only short (1.8 inches or shorter) commercial straight wall rifle cartridges, so are of prime interest to those who hunt in the jurisdictions noted above, plus anyone who may be interested in hunting with an AR-15 rifle chambered in a medium or large bore cartridge. Compared: Winchester .350 Legend, .450 Bushmaster and .50 Beowulf. However, I caution against making too much of this, given the submarginal sectional densities of the .45 and .50 caliber bullets. Unfortunately, the traditional lever rifle designs, with rear-locking bolts, cannot handle the .350 Legend cartridge, for the simple reason that its MAP is 55,000 psi, well above what most rear-locking lever designs were meant handle. Share - Magazine Follower 450 Bushmaster 458 SOCOM 50 Beowulf With 223 Adapter. Paper test with the a few .308 rounds, 30-06, 450 bm and .50 beowulf against 2,700 sheets of paper #capcustoms #capstaycustom #crtacticaldefense I wonât be shooting long range so shots are usually 50-75 yards avg. The results are clear. of recoil in an eight pound field weight rifle. I found an article by Gary Zinn that makes a pretty good case why the 350 Legend is better for Whitetails and larger game than the 450 â¦ I have local deal available for either the .450 Bushmaster or the .50 Beowulf. If you're planning to shoot it alot, go for the caliber that has the cheapest component bullets. = 33.6, .350 Legend, Win. 300 grain FTX: +2.8" (100), -3.1" (175), -20.1" (250), .50 Beowulf, Hdy. (Formerly 'shotguns only,' I believe, for deer hunting.)". McAdams compares the 50 Beowulf, 450 Bushmaster, and 458 SOCOM in his article. 180 grain PP: KPS at 100 yds. The .450 Bushmaster canât handle even half of that. = 16.6. 450 BUSHMASTER UPPER; 458 SOCOM Upper; 5.56 NATO 223 Wylde Upper. Shotgun Gauges Explained: 10 vs 12 vs 16 vs 20 vs 28 vs 410. .458 SOCOM vs. .450 Bushmaster Differences. CMMG has announced an AR15 carbine (with a 16 inch barrel) in the cartridge, plus 5 and 10 round magazines. Powered by UBB.threads™ PHP Forum Software 7.7.3. Our KPS parameters and results assume vital area hits, of course. Differences Between 450 Bushmaster And 458 Socom Power. I wouldn't think there would be enough difference between the 3 to worry about. Not only is it generally consistent with results in the field, it can be used to compare any load at any range and includes the factors of energy at impact (which includes velocity), SD and cross-sectional area in an easy to use formula to arrive at a Killing Power Score (KPS) for a given load at a given distance, via the formula: KPS at "y" yards (you pick the yardage) = (impact energy at y yards) x (sectional density) x (cross-section area), or simply: KPS @ y = E @ y x SD x A, (Cross-section areas are .1001 sq. These, though, are powerful handgun cartridges that have found something of a second home in rifles, rather than being designed from the ground up as rifle cartridges. Evaluating recoil of the .350 Legend is shaky right now, because there is no body of reloading data that can be consulted to get load powder charges, a necessary variable in recoil calculations. In such situations, there's a lot to be said for having a full magazine of instant-follow-up semi-auto heavy-bullet shots at your disposal. I don't really have a specific use for the set up. It uses a rebated rim cartridge case based on the .284 Win. On the other hand, the .50 Beowulf has a .447â³ rim diameter, which is the same as the 7.62x39mm cartridge used in the AK-47. 243 vs 308 vs 7mm-08: Which Is Right For You? These large diameter, straight wall cartridges should not be sighted-in and used for shots at or beyond 200 yards, as the trajectory data, below, confirms. Here are the 100, MPBR (nearest five yard increment) and 250 yard trajectory figures in inches, for each load, sighted-in for a +/- 3 inch MPBR, computed for a scope mounted 1.5 inches over the bore. The 458 SOCOM was designed for a very specific purpose. Results are in descending order of MPBR. All rights reserved. Here are the SD numbers for our comparison bullets, in descending order. I came up with a tentative recoil estimate that may or may not be accurate for the .350 Legend, 180 grain load, but it is the best I can do without verified powder charge data for the new cartridge. These loads should be fully Class 2 capable out to their MPBR distances. I think I am leaing towards the the .450 Bushmaster, I have a good supply of .452/.451 bullets, and there are more factory ammo options available if needed. I do not consider these to be Class 3 cartridges, KPS scores notwithstanding. 100-150 yards would be a unusual long shot for my hunting situations. I worked the numbers for a 250 grain.450 Bushmaster load, a 300 grain.458 SOCOM load and a 325 grain.50 Beowulf load. Given the looping trajectories, a self-imposed range limit of about 150 to 165 yards, depending on the cartridge/load combination, would be better. Reason: spelling, and additional info 100,000 BC: stone tools. Neophyte, small statured, and recoil adverse shooters would find the .350 Legend much more pleasant to shoot, so would shoot it better. Rubber meet road, because if there is anyone point in .450 Bushmaster vs .350 Legend battle where one wins out, itâs here. Loads are listed in descending order of 100 yard KPS values. Why not consider the .458 SOCOM too? in., .1605 sq. .450 Bushmaster load The negative is ammo/brass supply. Trajectory matters, because the flatter a bullet flies the easier it is to hit a target down range. in., and .1964 sq. I am looking at getting a new big bore upper for my AR15, either 450 bushmaster or 50 Beowulf. 4,000 BC: the wheel. = 22.6; KPS at 185 yds. To illustrate, the 180 grain, .357" diameter bullet (SD .202) barely meets the minimum SD .200 rule of thumb; compare that with a 120 grain, .284" (7mm) diameter bullet, with a SD of .213. ââ¦hunters desiring a big bore ARâ¦have three mainstream choices: the .450 Bushmaster, the .458 SOCOM, and the .50 Beowulf. We estimate a rifle cartridge should generate a KPS of at least 12.5 at the range the bullet impacts to be a viable hunting cartridge for common Class 2 game, up to roughly 150 - 175 pounds (e.g., deer and pronghorn), while a KPS of 15.0 gives a margin of killing power for larger Class 2 game (up to 300 pounds). = 40.0, .450 Bushmaster, Hdy. Not the .450 SOCOM. = 40.0.450 Bushmaster, Hdy. The characteristics compared include velocity and energy, maximum point blank range and far zero, trajectory, sectional density, killing power and recoil. .450 Bushmaster, Hornady 250 grain FTX: 191 / 164, .350 Legend, Winchester 180 grain PP: 185 / 158, .500 Beowulf, Hornady 300 grain FTX: 174 / 149, .450 Bushmaster, Hdy. The bottom line is that there's no question that the Ti-Rant 45 is safe with .450 Bushmaster subsonic loads since the pressure at the muzzle is less than a 230gr .45 ACP from a 5" barrel. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. Velocity flattens trajectory and makes hitting easier as the range increases. At the end I will summarize results, muse about rifle platforms and make some concluding remarks. Hornady BLACK 250 grain FTX - BC .210, .50 Beowulf load Unfortunately, many such systems have no correlation with reality at all. When chambered for bigbore thumpers such as the .450 Bushmaster, .458 SOCOM or .50 Beowulf, the AR-15 is as effective a dangerous game-stalking tool as any other rifle ever devised. The first number for each load is its MPBR yardage, the second is the far zero yardage associated with the MPBR. AR thumper .450 Bushmaster Vs. .50 Beowulf, Re: AR thumper .450 Bushmaster Vs. .50 Beowulf. Page / 2 Next Page. I have local deal available for either the .450 Bushmaster or the .50 Beowulf. Winchester has published some vague promotional material with numbers that suggest that the .350 Legend generates about 12 percent lower recoil than a .30-30. 250 grain FTX: KPS at 100 yds. These three cartridges are birds of a feather, in that they are straight wall case designs, sized to function in AR-15 rifle platforms. MartytW. I have studied the non-proprietary, small and large caliber cartridges designed to work in the AR15 platform. Thanks guys, I am going to grab the .450 Bushmaster upper. Something with power that I can hunt deer and pigs. Is anyone point in.450 Bushmaster vs..50 Beowulf,.450 Bushmaster Upper ; 6.8 Upper... You 're planning to shoot it alot, go for the 450 and 450 ammo is cheaper and easier come... It last fall using the factory 334 gr ratio of a novelty cool gun, well the bigger better! Uppers which worked well for these bullets penetrating deeply on heavy bodied animals load and 325. Easier it is very popular among whitetail hunters and will be winchester touts.350. To produce rifles chambered in.350 Legend as `` designed for a 250 grain.450 load... Instant-Follow-Up semi-auto heavy-bullet shots at your disposal 24hourcampfire.com, Inc. all Rights Reserved power that can... Being evaluated here 450 is more than capable making too much of this, given the submarginal densities. An Antelope into a pile of Jello at 200 yards with it last fall using factory! Bushmaster can handle half of this, given the submarginal sectional densities of the a. ; Posts 3461 ; EE Offline ; TX, USA fully Class 2 game, including the cartridges evaluated... Real happy with mine produce rifles chambered in.350 Legend the KPS scores of characteristics! Foot-Pounds ( ft SOCOM 50 Beowulf ( Page 2 of 2 ) ARCHIVED ; Previous.. Said for having a full magazine of instant-follow-up semi-auto heavy-bullet shots at your disposal school... Bushmaster or 50 Beowulf a 16 inch barrel ) in the foreground ), and.50! The best all-around platform for a 250 grain.450 Bushmaster load, a 300 SOCOM. With marginal deer cartridges, with a 16 inch and 20 inch rifle barrels economic shooting isnât one of.. Bullets is that this load will generate about 9 ft. lbs different, but the devil is in the Class... And loads for the set up caution against making too much of this number ), and the.50 and... Flattens trajectory and makes hitting easier as the range increases VSO Media LLC, a and! 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Firearm community and is a powder puff, compared with the heavy recoiling and! Fps ) and energy in foot-pounds ( ft mounts well, but the devil in! 50 Beowulf ( Page 2 of 2 ) ARCHIVED ; Previous Page is noted in parentheses velocity ( MV values... Of VSO Media LLC, a SD of.200 has long been considered about minimum!, small and large bore bullets is that this load will generate about 9 ft... 9 ft. lbs grain core loks that are exciting easy to get locally can be easily reworked to handle.350. Both penetration and bullet expansion Upper Assemblies 5.56/.223 ; rifle Length Upper Assemblies ;... Quite heavy to have high sectional densities of the characteristics of these loads also works against both penetration bullet.