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.450 Bushmaster
AR-15 .450 Bushmaster - one shot, one kill for your large game! Compatible to your standard milspec AR-15/.223 lower receivers. Shop 450 Bushmaster AR-15 Upper Builds at Moriarti Arms
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AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly - this is a custom made to order upper assembly. Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 10.5" heavy profile .450 Bushmaster barrel with slim 12" f..AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly - this...$299.95$499.95 -
AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly / Shark - Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 12" heavy profile .450 Bushmaster barrel with slim 12" free-float handguard, Barrel ..AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly / Shark -&nb...$349.95$499.95 -
AR-15 .450 Bushmaster 10.5" "Thumper" Pistol Upper Assembly - upgrade your AR. Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 10" heavy profile .450 Bushmaster barrel with slim 10" free-float handguard, a..AR-15 .450 Bushmaster 10.5" "Thumper" Pistol Upper Assembly - ...$299.95$499.95 -
AR-15 .458 Socom 12.5" Upper Build W/ 12" Slim Rail / 3" ShroudFeatures:Barrel Length: 12.5" Melonite Barrel Gas System: Carbine Barrel Profile: Heavy Barrel Steel: 41V50 Barrel Finish: Nitride coated Muzzle Thread: 5/8x24 Twist Rate: 1/24 Diameter at Gas Block: .875 Gas Block Type: Ste..AR-15 .458 Socom 12.5" Upper Build W/ 12" Slim Rail / 3" ShroudFeat...$329.95$499.95 -
AR-15 .450 Bushmaster 16" stainless steel upper assembly / MlokThis drop-in .450 Bushmaster upper will attach to virtually any milspec AR-15 lower assembly. Make sure to enhance your lower with 4.3 heavy buffer for maximum performance. Barrel - 16" 416R stainless steel hbar barrel,..AR-15 .450 Bushmaster 16" stainless steel upper assembly / MlokThis...$399.95$499.95
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AR-15 .450 Bushmaster 16" steel black nitride upper assembly, This drop-in .450 Bushmaster upper will attach to virtually any milspec AR-15 lower assembly. Available in 4150 Steel Black Nitride Finish, with 1 and 24" twist and 12" Moriarti midlength slim mlok. Barrel&nbs..AR-15 .450 Bushmaster 16" steel black nitride upper assembly, This ...$299.95$499.95
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AR-15 .450 Bushmaster 18" steel black nitride upper assembly, This drop-in .450 Bushmaster upper features 4150 Steel Black Nitride Finish, with 1 and 24" twist and 15" rifle length slim Mlok free float handguards. Barrel - 18" 4150CMV steel black nitride hbar barrel..AR-15 .450 Bushmaster 18" steel black nitride upper assembly, This ...$329.95$499.95
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AR-15 .450 Bushmaster 7.5" Pistol Upper Assembly / Mlok Free Float - Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 7" heavy profile .450 Bushmaster barrel with slim 7" free-float handguard, available in y..AR-15 .450 Bushmaster 7.5" Pistol Upper Assembly / Mlok Free Float&...$299.95$499.95