Lewis Machine & Tool (LMT) AR-15 MRP-L QUAD Monolithic Upper Receiver

The patented LMT Monolithic Rail Platform, MRP(TM) upper receiver. The receiver and handguard are made from a single piece of forged aerospace aluminum. The barrel is held in place with a proprietary locking system that utilizes two locking bolts accessible from the right side of the receiver. The only tool needed is a standard T-30 Torx bit to tighten the bolts. This receiver requires the patented LMT monolithic barrel assembly which has a low profile gas block with straight gas tube. Features: The MRP-L QUAD 9.25 is the carbine length receiver designed for 10.5 barrels up to 18 barrels with quad rail at the 3, 6, and 9 o'clock positions. The MRP-L QUAD 13.25 is the rifle length receiver designed for 14.5 barrels up to 20 barrels with quad rail at the 3, 6, and 9 o'clock positions. This receiver sports 5 QD sling swivel attachment locations. Barrel not included. Specifications: Weight: 9.5": 1.424 lbs. 13.25": 1.742 lbs. Gas Length: 9.5":Carbine 13.25": Rifle Dimensions: 9.5": 16.25