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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 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 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 .458 Socom 12.5" Upper Assembly / 12" Mlok / TankerFeatures:Barrel Length: 12.5" .458 Melonite Barrel Gas System: Carbine Barrel Profile: Heavy Barrel Steel: 41V50 Barrel Finish: Nitride coated Muzzle Thread: 5/8x24 Twist Rate: 1/14 Barrel Extension: Socom Extension Diameter at Ga..

AR-15 .458 Socom 18" stainless upper assembly / 15" Mlok . This drop-in .458 Socom upper will attach to virtually any standard AR-15 lower assembly.  Barrel - 18" 416R stainless steel barrel chambered in .458 Socom. Single Feedramp. Button rifled with 1-14 rh twist. .875 under gas ..

AR-15 12.7x42 7.5" Pistol Upper Assembly / Mlok Free Float - This assembly includes 7" heavy profile 12.7x42 barrel with slim 7" free-float handguard, available in your choice in mlok. Barrel is finished off with nitride linear compensator. Barrel - 7.5" 4150CMV steel black nitride medi..

Moriarti Armament's AR-15/M-16 16″ 6.5 Grendel Type II FULLY ASSEMBLED Upper Assembly includes:AR15 / M16 Enhanced Upper Receiver 16″ Contour Parkerized 6.5 Grendel (Type II) 4150 Chrome Moly Steel Barrel with 1:8 Twist and Carbine Gas.750 Low Profile Gas BlockCarbine L..

The Moriarti Armaments AR-15 21″ 6MM ARC Match Grade Stainless Steel HBAR Upper Assembly comes complete with a MATCH GRADE Stainless Steel 416R Barrel, low profile Steel .875 Gas Block with Nitride Finish and a Stainless Steel Gas tube. Upper is finished off with a Free Float MLOK Handguar..

AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. The 10.5" 300 BLK upper includes:Barrel - 10.5" med profil..

AR-15 300 AAC blackout 16" stainless steel black diamond fluted upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber.    Barrel - 16" 416 stainless steel hbar contou..

AR-15 300 AAC blackout 16" stainless steel straight fluted tactical upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your standard mil-spec AR-15 lower, and ..

AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRESSOR is a perfect addition to your pistol look. Just drop this pistol upper assembly on your Mil-Spec lower receiver and enjoy the outdoors. Created by MA especially for you, all USA made. BARREL - 13.5" 41V50 CMV STEEL&nb..

AR-15 300 BLK 10.5" Walking Dead pistol upper assembly   includes:Barrel - 10.5" 4150 CMV hbar/heavy contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in 300 BLK. 1-8 rh twist rate, .750 under gas block. Barrel is finished off with black walking dead compensator and ..

AR-15 350 LEGEND 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY /MLOKBarrel - 16" 416R stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 350 Legend, 1-16 rh twist. Bear Claw spiral flutes.  .750 under gas block. 5/8x24 threads. Barrel is finished ..

AR-15 350 Legend 18" Upper Assembly / 15" Free Float /Left Hand - The new 350 Legend is an upgrade to your standard AR-15 platform. 350 offers a significant increase in velocity and energy without having to buy a specialty bolt. Supercharge your AR-15 in one easy step! This upper is for Left Hand gu..

AR-15 5.56 7.5" stainless steel barrel upper assembly LEFT HAND. Barrel - 7.5" 416 stainless steel hbar/heavy contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 nato (also accepts .223 rounds). 1-9 rh twist 6 groove button rifled. .750 under gas block. 1/2-28 threads o..

AR-15 5.56/.223 "Eagle Claw" 16" stainless fluted tactical bull upper assembly. Exclusively designed by Moriarti Armaments. Barrel - 16" 416 stainless steel bull barrel with straight nitride fluting. Hardened to 26-32 rc and stress releived.  Chambered in 5.56 nato (also accepts .223 rounds)...

AR-15 5.56/.223 10.5" Walking Dead pistol upper assembly  includes:Barrel - 10.5" 416 stainless steel hbar/heavy contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in 5.56 NATO. 1-7 rh twist 6 groove button rifled. .750 under gas block. Barrel is finished off with walking ..

AR-15 5.56/.223 16" black diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features:Barrel - 16" 416 stainless steel bull contour barrel with black diamond fluting. Hardened to 26-32 rc and stress releived.  Chambered in 5.56 nato (also accept..

AR-15 5.56/.223 16" Blue Diamond Tactical Upper Assembly / Mlok. Barrel is exclusively designed for Moriarti Armaments - Blue  nitride plated with stainless steel diamond flutes.Barrel - 16" 416 stainless steel hbar contour barrel with Blue  diamond fluting. Hardened to 26-32 rc and s..