This Bear Creek Arsenal AR-15 complete 5.56 pistol length upper has a 10.5" M4 with a parkerized finish, features a 1:7 twist, with a carbine length gas system. It includes the new 10" 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.
Bear Creek Arsenal manufactures all AR-15 rifles, complete upper assemblies, barrels, bolt carrier groups, and components in-house in Sanford, NC. Choose an American-made AR-15 complete upper assembly from Bear Creek Arsenal, designed for high accuracy and backed by a lifetime warranty.
75 gr. HPBT or Nosler Match Grade 69 gr ammo is recommended for best accuracy with this barrel.
By purchasing this upper, you agree that you understand that all ATF NFA rules apply. This upper must be used on a pistol receiver unless you register it as an SBR.
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