LMT Defense MRP-L Quad Assembled Upper Receiver 5.56/.300 Blackout

LMT Defense MRP-L Quad 9.25 Upper Receiver Features This monolithic upper receiver is constructed from a single piece of forged aerospace aluminum providing enhanced strength improved rigidity and increased accuracy over traditional two-piece designs. The proprietary barrel locking system secured by two side-accessible locking bolts ensures rapid and repeatable barrel changes with a simple T-30 Torx bit. The quad-rail design at the 3 6 and 9 o'clock positions offers ample space for mounting accessories while five QD sling swivel attachment points provide versatile sling options. This receiver is compatible with LMT's monolithic barrel assemblies utilizing a low-profile gas block with a straight gas tube. LMT Defense MRP-L Quad 9.25 Upper Receiver Specifications Compatibility: 5.56 NATO / 300 Blackout Material: Aerospace-Grade Forged Aluminum Handguard: Quad Rail at 3 6 and 9 o'clock Positions Barrel Compatibility: 10.5 to 18 (Barrel Not Included) Barrel Mounting System: Proprietary Locking Bolts (T-30 Torx Required) Sling Mounts: Five QD Sling Swivel Attachment Points Gas System: Compatible with LMT Monolithic Barrel Assemblies (Low-Profile Gas Block & Straight Gas Tube)