Lewis Machine & Tool (LMT) AR-15 MRP Chrome Lined 5.56 NATO AR-15 Barrel - 11.5"

Designed for the LMT monolithic receiver, this barrel utilizes a low profile gas block, carbine length straight gas tube, and A2 birdcage for reduced flash. The barrel is coated and cryogenically treated for long term durability. 11.5 Chrome Lined 5.56x45 (.223) 1:7 RH twist barrel Specifications: Weight: 1.846 lbs. Operating Method: Direct Impingement Rifling Twist Rate: 1:7" Barrel Caliber: 5.56x45