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Get your AR-15 ready for action with this complete upper combo, bringing together premium components from leading manufacturers to deliver reliability, accuracy, and durability.
LMT Defense - MRP-L Quad Rail 13.25" AR-15 Upper Receiver (L7RA1A): Engineered for versatility, this monolithic rail platform (MRP) features a quad-rail design, offering ample space for mounting optics and accessories. The MRP-L’s unique quick-change barrel system allows for easy swaps between calibers, providing a flexible foundation for your build.
Forward Controls Design - 0.750 Gas Journal Gas Block (GBF): Designed for stability and efficiency, this gas block ensures smooth cycling and gas flow, essential for any mid-length gas system. Precision-machined for a snug fit, it complements the overall setup for flawless operation.
CMMG - Gas Tube Kit with Pin (Mid-Length, CMMG55DA1EE): This CMMG gas tube kit is the perfect match for the Forward Controls gas block, ensuring consistent gas pressure to optimize cycling. The durable mid-length tube includes the necessary roll pin for easy installation, completing the gas system setup.
Proof Research - Carbon Fiber LMT MRP/MWS Conversion Barrel - 6mm ARC 16" Barrel: Elevate your rifle’s performance with this Proof Research barrel. Known for its unmatched accuracy and lighter weight, the carbon fiber-wrapped barrel reduces fatigue while maintaining precision. Chambered in 6mm ARC, it’s ideal for long-range shooting, hunting, or tactical applications.
With this upper combo, you're not just getting parts – you’re getting a high-performance setup engineered to excel in any environment. This complete upper is ready for installation and will take your AR to the next level, combining lightweight design, tactical flexibility, and superior shooting accuracy.
It comes pre-assembled and the barrel has been dimpled for the second set screw using a black rifle disease dimpling jig.
LMT Defense