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Brownells is proud to partner with BCM to offer these exclusive Enhanced Lightweight Barrel Assembly Kits. Available in either 14.5” or 16.1” lengths with a mid-length gas system, the Enhanced Profile offers a number of advantages over the USGI type of profile, highlighting a continuous taper designed for optimal weight, balance, and performance. The Enhanced Profile does away with the sharp handguard cap shoulder for improved barrel harmonics and improved accuracy, and also features a tapered profile out front, for easier maneuverability. Included in both kits is a phosphate finished, steel, .625 BCM Low Profile Gas Block and a BCM Mid-Length Gas Tube to allow you to complete the installation of your barrel with top quality parts. The BCM Enhanced Lightweight Profile Barrels have the following specs:
11595E certified Mil-Spec Steel
Chrome bores and 5.56 NATO chambers
USGI 1/7 Twist Rates
M4 Barrel Extensions
Manganese Phosphate Finish
HPT / MP Inspected