LMT Defense MRP-L M-LOK Railed Upper 5.56x45mm/.300 AAC Blackout/6.8 SPC no BCG&CH, Black

The LMT Monolithic Rail Platform (MRP) upper receiver is a groundbreaking innovation in firearm technology, designed for precision and durability. Crafted from a single-piece of aerospace-grade aluminum, this patented receiver and handguard combination offers unparalleled strength and stability. The unique design features a proprietary locking system that secures the barrel with two accessible locking bolts on the right-side, requiring only a standard T-30 Torx bit for installation and adjustmen