Lewis Machine & Tool (LMT) AR-15 MRP-L M-LOK Monolithic Upper Receiver - 13.25"

The patented LMT Monolithic Rail Platform, MRP(TM) upper receiver. The receiver and handguard are made from a single piece of aerospace grade 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. The MRP-L MLOK 13.25 is the rifle length receiver designed for 14.5 barrels up to 20 barrels with M-LOK compatible attachment points on all 8 sides. This receiver sports 4 QD sling swivel attachment locations. Barrel not included. Specifications: Caliber: .204 Ru, .300 BLK, 5.56x45, 6.8 SPC MRP Platform: MRP-L (Light) Color: Black Handguard Length: 13.25" Weight: 1 lbs. 6.7 oz.