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AR-15 .350 Legend  16" Stainless Steel Fluted Upper Assembly / Mlok. - Current variation of barrel flute - straight or spiral, depending on stock availability. Images may not be an exact representation of the product. Length16"ProfileHeavy BarrelTwist1:16FinishStainlessMaterial416R Stai..

AR-15 .350 Legend 12.5" Mlok Tactical Upper Assembly - The new 350 Legend is an upgrade to your standard AR-15 platform in pistol length. 350 offers a significant increase in velocity and energy without having to buy a specialty bolt. Supercharge your AR-15 in one easy step!Features:Barrel Length: 1..

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 .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 .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" 4150 CMV Upper Assembly / 15" Mlok  . This upper assembly is compatible with .458 Socom cartridges, making it suitable for big game hunting and tactical shooting. It is made from 4150 Chromoly Vanadium (CMV), a high strength steel that offers increased strength, c..

AR-15 .50 Beowulf 12.5" Upper Build W/ 12" Slim Rail / Classic. Uppers use 6.5 Grendel Type 2 BCG.Features:Barrel Length: 12.5" 12.7x42 Cal, Custom Made Gas System: Carbine Barrel Profile: Heavy Barrel Steel: 416CMV Barrel Finish: Parkerized Muzzle Thread: 49/64x20 Twist Rate: 1/20 Barre..

AR-15 .50 BEOWULF 12.7x42 18" Parkerized Upper Assembly / 15" Mlok.  This AR-15 12.7x42 rifle length upper has an 18" parkerized heavy barrel, and features a 1:20 twist rate, with a mid-length gas system. It includes a 15" MLOK Rail, an M4 flat-top forged upper receiver and compatible..

Multi Port CompensatorFlat side, tanker style3 Side Porting Slots and 2 Top Porting Holes To Reduce Muzzle Climb And RecoilCrush Washer IncludedAll Steel Construction, Black Nitride Coated.308 Cal / 300 AAC Blackout / 7.62x395/8 x 24 ThreadsUSA made ..

The Moriarti Armaments AR-15 12″ 6MM ARC Match Grade Gunner  Upper Assembly / Mlok comes complete with a MATCH GRADE Stainless Steel 416R nitride coated Barrel, low profile Steel .750  gas block and a Stainless Steel carbine Gas tube. Upper is finished off with a Slim Free F..

AR-15 16" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15" MLOK FEATURES: Barrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: NitrideMuzzle Thread: 1/2X28Chamber: 5.56 NATO (shoots both, 5.56 NATO and .223 Rem)Twist Rate: 1 in 7"Barrel Extension: M4Diameter at Gas Block: .750"Gas Blo..

AR-15 16" 7.62x39 BARRETT 15" LIGHTWEIGHT FDE UPPER LEFT HAND. AR-47 are compatible with your standard mil-spec AR-15 lower receivers. Does not come with BCG or CH.  Barrel Length: 16"Gas System: CarbineBarrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: PhosphateMuzzle Thread: 5/8-24Cham..

The Moriarti Armaments AR-15 20″ 6MM ARC Hexagon Fluted Stainless Steel Upper Assembly / Mlok comes complete with a MATCH GRADE Stainless Steel 416R Barrel, low profile Steel .750 Gas Block with Nitride Finish and a Stainless Steel Rifle Gas tube. Upper is finished off with a Rif..

AR-15 300 BLACKOUT 16" MLOK UPPER ASSEMBLY WITH SLIP OVER BARREL SHROUD CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 AACTwist Rate: 1/7, button rifledMuzzle Device: Slip over barrel shroud with multi port muzzle brake, 5/8X24Barrel: 16"..

AR-15 300 AAC blackout 10.5"  pistol upper assembly with flash coneBARREL - 10.5" 4150V NITRIDE COATED MED CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELIEVED.  CHAMBERED IN 300 BLACKOUT. 1/7 RH TWIST.  PISTOL GAS SYSTEM .750 UNDER GAS BLOCK. 5/8X24 THREAD. BARREL IS FINISHE..

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 spiral fluted tactical upper assembly. 300 Blackout chamber uses AR-15/M16 BCG and standard AR-15 mags. Features include:1. 300 Blackout Chamber: A special chamber that utilizes the versatile .300 Blackout rounds. This cartridge provides a wide va..

AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly / Shark / American Flag is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15/M16 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Features:300 Blackou..

AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLOK Barrel - 16" 416R stainless steel contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in .300 BLACKOUT AAC, 1-8 rh twist. Bear Claw spiral flutes. Button rifled. .750 under gas block. 5/8-24 threads. Barre..