Mrp-L M-Lok 5.56mm Assembled Upper Receiver - Mrp-L M-Lok 5.56/300 Blk 13.25'''' Assembled Upper Receiver

Precision Engineering Meets Tactical Flexibility.The LMT Defense MRP-L M-LOK 13.25" Upper Receiver is a top-tier foundation for your next 5.56 NATO or .300 Blackout build. Constructed from a single aerospace-grade aluminum forging, this Monolithic Rail Platform (MRP(TM)) upper merges strength and alignment precision for exceptional performance in duty and competition roles.LMT's patented quick-change barrel locking system secures the barrel with two side-accessible bolts-requiring only a T-30 Torx bit. This system enables fast, secure barrel swaps with a reliable return-to-zero, making it ideal for multi-role rifles. The MRP-L 13.25" is designed for use with 14.5" to 20" LMT monolithic barrels, all of which feature a low-profile gas block and straight gas tube.With M-LOK slots on all 8 sides and 4 integrated QD sling swivel mounts, this receiver offers unmatched modularity and sling placement flexibility, making it perfect for tactical, defense, or range use.Note: Barrel not included. Compatible only with LMT monolithic barrels and MARS-L/Defender-L lowers.Key Features:Length: 13.25"Platform: MRP-L (Monolithic Rail Platform - Light)Material: Aerospace-grade aluminum (monolithic construction)Caliber Compatibility: 5.56A-45 NATO, .300 BLKBarrel Compatibility: LMT monolithic barrels (14.5"-20")Rail System: M-LOK slots on all 8 sidesQD Mounts: 4 integrated sling attachment pointsBarrel Interface: Tool-free design with dual-locking bolts (T-30 Torx required)Upper Type: Optics-ready, free-float monolithic upperStart your next precision or tactical AR build the right way - available now at ARMSAGORA's retailers.