Bear Creek Arsenal

This BCA AR-10 complete .308 rifle length upper has a 18" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This rifle comes on the BCA AR10 forged Lower engraved then anodized. More Information SKU CR587N-SCH308MSC18110PFL-15MSR Weight (lbs) 9.800000 Magazine Capacity N/A Barrel Length 18 Profile Heavy Barrel Twist 1:10 Barrel Finish Parkerized

The Bear Creek Arsenal 16" .300 Blackout Pistol Length Barrel with Heavy Profile is a high-quality barrel that is perfect for building a versatile and accurate AR-15 rifle. It features a 16" heavy profile barrel with a 1:8 twist rate, which is ideal for shooting a variety of .300 Blackout ammunition. The barrel is also parkerized for durability and corrosion resistance. Features: - 16” barrel chambered in .300 Blackout, Parkerized - Heavy profile, 1:8 twist, 5/8x24 threads - Pistol length gas system - Precision machined from 4150 Chrome Moly Vanadium - M4 feedramp

This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a carbine length gas system. It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 566N-UASCH556CM41617P-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Parkerized

This BCA AR-15 complete .223 Wylde rifle length upper has a 18" straight fluted heavy barrel with a 416R stainless finish, and features a 1:8 twist rate, with a mid-length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 8990N-UA223WMHB1818SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel

This BCA AR-15 complete 7.62x39 upper has an 18" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a mid-length gas system. It includes a new style 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a side charging (Gen 2) handle (patent pending). This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 690N-UASCH762MHB18110P-15M3 Weight (lbs) 5.850000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium

This BCA AR-15 Complete Upper has a 20" barrel with a Heavy Weight profile, made of 416R Steel with a Stainless Steel finish, and features a 1:7 Twist Rate, a Rifle length gas system. The Upper includes the new 15" MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a right-side charging (Gen2) handle (patent protected). It is chambered in .224 Valkyrie and machined with M4 feed ramps in the barrel extension. More Information SKU 9151N-UASCH224VRHB2017SS-15M3 Weight (lbs) 6.300000 Magazine Capacity N/A Length 20

This BCA AR-15 complete 12.7x42 rifle length upper has a 16" parkerized Heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK Rail, an M4 flat-top billet upper receiver, a BCA AR15 bolt carrier group, and a right-side charging (Gen2) handle (patent protected). This 12.7x42 is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 541N-UASCH127CHB16120P936-15M3 Weight (lbs) 5.400000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:20 Finish Parkerized

This BCA AR-10 complete .308 rifle length upper has a 16" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top forged upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This .308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 9263N-UA308MHB16110PFUR-15MSR Weight (lbs) 6.250000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24

This BCA AR-15 complete 12.7x42 rifle length upper has a 16" parkerized heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes the new 15" MLOK handguard, an M4 flat-top forged upper receiver, a BCA AR15 bolt carrier group, and a rear charging handle. This 12.7x42 is compatible with any mil-spec AR-15 lower. More Information SKU 645N-UA127CHB16120P936-15M3 Weight (lbs) 5.400000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:20 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 49/64 x 20 Caliber 12.7 x 42

This BCA AR-15 complete 5.56 Nato pistol length upper has a 10.5" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a carbine length gas system. It includes a standard handguard, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 275-UA556CM410.517P-SHGGB Weight (lbs) 3.000000 Magazine Capacity N/A Length 10.5 Profile M4 Contour Twist 1:7 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28

This Bear Creek Arsenal AR-15 Complete 5.56 pistol length upper has a 11.5" M4 with a parkerized finish, and features a 1:7 twist, with a carbine length gas system. It has a 9.5" MLOK rail, a M4 flat-top forged upper receiver, a BCA bolt carrier group, flash hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower. More Information SKU 878N-UA556CM411.517P-10M3 Weight (lbs) 3.600000 Magazine Capacity N/A Length 11.5 Profile M4 Contour Twist 1:7 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28 Caliber 5.56 NATO

This BCA AR-15 complete .223 Wylde carbine length upper has a 16" M4 Barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9715N-UADCH223WCM41618P-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium

This BCA AR-15 complete 6mm Arc upper has a 20" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 6mm Arc upper is compatible with any mil-spec AR-15 lower. SKU 9002N-UA6MMARHB2018SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel Thread Pitch 5/8 x 24

This BCA AR-15 complete 6mm Arc upper has a 20" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging handle (Gen 2) (patent protected). This 6mm Arc upper is compatible with any mil-spec AR-15 lower. SKU 8998N-UASCH6MMARHB2018SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel

This BCA AR-15 complete .223 Wylde rifle length upper has a 20" government barrel and a black nitride finish, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9310N-UA223WRGVNT2018M-15M3 Weight (lbs) 6.300000 Magazine Capacity N/A Length 20 Profile Government Twist 1:8 Finish Black Nitride Material 4150 Chrome Moly Vanadium

This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a stainless steel finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a side charging (Gen 2) handle (patent pending). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 498N-UASCH556CM41618SS-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Stainless

This Bear Creek Arsenal AR-15 Complete 7.62x39 rifle length upper has a 16" Cold Hammer Forged heavy barrel with a black nitride finish, and features a 1:10 twist rate, with a Carbine length gas system. It includes a Standard Handguard, Front Sight and Carry Handle, a M4 flat-top forged upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 9148-UA762CHB16110MHF-SHGFSCH Weight (lbs) 4.500000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10

This BCA AR-15 complete .223 Wylde rifle length upper has an 18" heavy barrel with a 416R stainless finish, and features a 1:8 twist rate, with a mid-length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. This has the new handguard. Shop more .223 Wylde Uppers! Magazine not included. Check out Magazines here! See All Ammunition Recommendations Here.

This BCA AR-15 complete 300 Blackout pistol length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes a 9.5" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 300 Blackout upper is compatible with any mil-spec AR-15 lower. More Information SKU 636N-UA300PHB10.518P-10M3 Weight (lbs) 4.000000 Magazine Capacity N/A Length 10.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24

The BCA lower receiver is fully machined, anodized black and forged to milspec from 7075 aluminum. Equipped with a M4 collapsable stock and an A2 grip, this complete lower assembly is ready for your next build. Brand: Bear Creek Arsenal Caliber / Gauge: Multi-Caliber Finish: Hardcoat Anodized - Black Material: 7075 - T6 Pattern: AR-15 Pistol Grip: A2 Ambidextrous: No Billet: No Buffer Tube: Mil-Spec Stock: M4 Assembly: Complete Caliber Marking: Multi-Caliber * Must be 21 Years of Age or Older to Purchase More Information SKU LAAR15 Weight (lbs) 2.200000