The LMT Defense CQB MRP Defender CQB16 is an AR-15 pattern semi-automatic rifle built around LMT’s Monolithic Rail Platform. The one-piece MRP upper features integral quad-rail compatibility for mounting optics and accessories, while the quick-change barrel system is designed for caliber and barrel configuration changes in the field. The 16-inch CHF chrome-lined heavy-contour barrel with a 1:7 twist delivers durable performance for close-quarters and general-purpose use.
Key Features
MRP monolithic rail upper for rigid, consistent accessory mounting on a STANAG 4694 compliant platform
Quick-change barrel system for efficient configuration changes without extra tools
16-inch CHF chrome-lined heavy contour barrel with 1:7 twist and cryogenic treatment
Direct impingement system with standard semi-auto bolt carrier group
Adjustable detachable sight system plus optic-ready quad-rail mounting
A2 birdcage flash hider with 1/2×28 muzzle thread pattern
Set up with a rugged monolithic rail platform and a durable chrome-lined barrel, the CQB16 Defender is built to run when reliability matters most.
