LMT MRP CQB Picatinny Quad Rail 9.25″ ‘Grenadier’ Upper Receiver Chassis The patented LMT Monolithic Rail Platform, MRP™ 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 Grenadier 9.25 is the carbine length receiver designed for 10.5″ barrels up to 16″ barrels with MLOK and 1913 picatinny rails on all four sides. The bottom side is a full length picatinny rail for mounting compatible M203s. This receiver sports 2 QD sling swivel attachment locations. Barrel not included.
