Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver Heavy 1-20 1/2×28 Flash Hider Parkerized

Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver Heavy 1-20 1/2×28 Flash Hider Parkerized. This BCA AR-15 complete 12.7×42 Bolt Action Style rifle length upper has a 10.5” heavy barrel with a parkerized finish and features a 1:20 twist rate. It includes the BCA Talon 10” MLOK split rail an M4 flat-top 7075 billet aluminum upper receiver a BCA bolt carrier group a flash hider and a right-side bolt action style charger. This 12.7×42 upper is compatible with any mil-spec AR-15 lower. Adding any other product to your cart will not allow you to check out. Magazine not included. Specifications for Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver: Manufacturer: Bear Creek Arsenal Caliber: 12.7x42mm Barrel Length: 10.5 in Barrel Profile: Heavy Barrel Twist Rate: 1-20 Threads per Inch: 1/2×28 Muzzle Device: Flash Hider Finish: Parkerized Color: Black Gun Model: AR-15 Handguard Length: 10 in Gun Rail: M-LOK Gun Make: AR Platform Weight: 4.25 lb Flutes: No Package Contents: Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver What firearm models does the manufacturer say Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver is compatible with? The manufacturer suggests that Bear Creek Arsenal BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver is compatible with AR-15Bear Creek Arsenal UABA359127PHB10512093610ASR: BC-15 12.7×42 10.5in Bolt Action Style Upper Receiver Heavy 1-20 1/2×28 Flash Hider Parkerized