Home / Products / Lewis Machine & Tool (Lmt) / Lewis Machine & Tool (LMT) MRP-H AR-10 QUAD Monolithic Upper Receiver - 12.75"
Lewis Machine & Tool (LMT) MRP-H AR-10 QUAD Monolithic Upper Receiver - 12.75"
Lowest Listed Price
$1,146.6
MSRP
$1,146.6
Savings
See retailer
Retailers Reporting In Stock
1 Stores
Updated
Aug 26, 2026
Compare Deals from 1 Retailers
Sorted by lowest price
Specifications
MPN
LM308B1
Description
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. The MRP-H QUAD 12.75 monolithic upper receiver for large caliber rifle platforms. Includes quad rails with 19.25 on 12 o'clock rail, 9 rail on 3, 6 and 9 o'clock rail. Utilizes two locking lugs to secure/remove any larger caliber LMT barrel. This includes: 7.62x51 NATO, .243 Winchester, .260 Remington, 6.5 Creedmoor, 7mm-08 Remington, and .338 Federal. Specifications: Weight: 2.116 lbs. Dimensions: 19.25 in. Caliber: .260 Rem, 6.5 Creedmoor, 7.62x51 MRP Platform: MRP-H (Heavy) Please NOTE: Barrel not incl
