LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - #L7S1A - Boss Firearms

LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - L7S1A

LMT Defense
SKU:
L7S1A
|
UPC:
815415010403.
$890.10
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Current Stock:
10
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Description

The LMT Defense MRP-L Quad Rail (Picatinny) 9.25" AR15 Upper Receiver (L7S1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating flex and providing an unrivaled platform for accessories and optics. The MRP-L Quad Rail 9.25" features full Picatinny rail sections on all four sides (12, 3, 6, and 9 o'clock positions), providing maximum compatibility with legacy accessories and BUIS systems. The compact 9.25" quad rail is ideal for CQB configurations, duty rifles, and shooters who prefer Picatinny-mounted accessories over M-LOK.

The LMT MRP barrel swap system uses a proprietary two-bolt locking mechanism accessible from the right side of the receiver. A standard T-30 Torx bit is the only tool required — enabling fast, no-armorer barrel changes in the field. This receiver requires LMT monolithic barrel assemblies with low-profile gas blocks and straight gas tubes. Barrel not included.

Features

  • Patented LMT Monolithic Rail Platform (MRP™) — single-piece forged aerospace aluminum construction
  • Fast barrel swap capability using T-30 Torx bit — no armorer needed
  • Platform: MRP-L (Light)
  • Rail System: Quad Rail (Picatinny)
  • Caliber compatible: 5.56×45, .300 BLK, 350 Legend
  • Continuous Picatinny top rail for optics mounting
  • Requires LMT monolithic barrel assemblies with low-profile gas block
  • Made in the USA by Lewis Machine & Tool