MRP Upper Receiver


Rifle length, Quad Rail


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SKU: L7RA1A Category:


The patented LMT monolithic rail platform 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.

The MRP 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.

Additional information

Weight 1.742 lbs
Dimensions 20.25 in

6.8 SPC, .204 Ru, 5.56×45, .300 Blk



Operating Method

Direct Impingement