LMT Defense MRP-H LM8 12.5" AR308 Upper Receiver

LMT Defense
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The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that 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-H LM8 12.75 monolithic upper receiver for large caliber rifle platforms.  Created with LM8 attachment points on 3 sides.  Utilizes two locking lugs to secure/remove any larger caliber LMT barrel. This includes: 7.62×51 NATO, .243 Winchester, .260 Remington, 6.5 Creedmoor.




LMT Defense


MRP-H LM8 12.5


.260 Rem, 6.5 CM, 7.62 NATO