If you are looking to get into hunting with big bore semi-automatic AR-15 style rifles but are limited to straight walled cases due to arbitrary hunting laws, then the Radical Firearms .450 Bushmaster might be just what you are looking for. This rifle is outfitted with everything you need for a successful hunt. It features 20” barrel machined from 4140 chrome moly vanadium steel with a durable Melonite finish and of course is chambered in the highly versatile .450 BM cartridge. With a large variety of bullet weights and types to choose from, you will be able to find the perfect load for whatever game you want to hunt. This cartridge was originally designed for the AR-15 platform and more specifically for using mass instead of velocity to take large game. This comes at the expense of more recoil, but the Radical Firearms Panzer muzzle brake does quite a bit to help reduce the felt recoil of this thumper round. If your state doesn’t allow big bore bottle neck ammunition for hunting or you simply want to use a tried and true round, then the Radical Firearms 450 Bushmaster AR-15 rifle is the one for you.
- Chambered in the straight walled .450 Bushmaster cartridge
- 20” Barrel machined from 4140 chrome moly vanadium steel
- Melonite finish on barrel and bolt
- HBAR barrel profile
- Radical Firearms Panzer muzzle brake
- 15” Radical Firearms MHR M-LOK handguard
- Forged 7075-T6 upper and lower receivers
- Type III hardcoat anodized finish
- Oversized ejection port
- Single feed ramp barrel extension
- Adaptive Tactical collapsible stock
- Mission First Tactical ergonomic pistol grip
- Ambidextrous safety, extended bolt release, RF magazine release
- Includes .450 Bushmaster proprietary magazine
- Made in the U.S.A
This Complete AR-15 is built on forged 7075-T6 aluminum receivers with type III hardcoat anodizing and comes with many additional upgrades to make shooting more fun. It comes standard with an Adaptive Tactical collapsible stock attached to a carbine length buffer tube that allows you to adjust the length of pull. This stock also features a large rubber pad to help cushion the stout recoil of this cartridge. Rounding out the rest of the lower receiver is an ambidextrous safety selector, extended magazine release and bolt release, all made in house at Radical Firearms. The upper receiver is assembled with Mil-Spec parts and features an enlarged ejection port to facilitate the larger cases. To protect your hand and barrel is the 15” Radical Firearms MHR handguard. This handguard features a full length picatinny top rail and plenty of M-LOK slots, so you can set up your rifle for your specific hunt. Step into the world of semi-automatic big bore hunting with this Radical Firearms complete 450 Bushmaster AR.
Radical Firearms offers law enforcement grade hardware. Crafted with quality materials and covered by their lifetime warranty, Radical Firearms is an outstanding choice for any budget.
Barrel Coating
Barrel Contour: HBAR
Barrel Length: 20
Barrel Lining: Melonite
Barrel Material: 4140 Chrome Moly Steel
Brand: Radical Firearms
Caliber Gauge: .450 Bushmaster
Gas System Length: Rifle
Gas System Type: Direct Impingement
Handguard: 15 in Radical M-LOK MHR Rail
Muzzle Device: Muzzle Brake
Twist Rate: 1:14
MPN#: FR20-450BUSH-15MHR3

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