Rock River Arms AR0784 LAR-15M NM A4 Complete Upper 20in 223 Wylde Stainless Barrel

The Rock River Arms AR0784 LAR-15M NM A4 Complete Upper delivers precision, reliability, and versatility in a ready-to-build platform, pairing a 20" stainless heavy match barrel chambered in 223 Wylde with a 1:8 twist for exceptional compatibility with both .223 and 5.56 NATO loads. This complete upper features a black receiver and a 12.50" Black M-LOK handguard, giving you ample mounting real estate for optics, grips, and accessories while maintaining a slim, balanced profile for accurate field or range performance. The railed gas block and A2 flash hider optimize gas operation and muzzle control, supporting consistent cycling and reduced recoil impulse across a range of high-precision loads. Built to Rock River Arms� exacting standards, the arrangement enables straightforward integration with compatible AR-15 lower receivers to form a solid foundation for precision shooting, competition, or tactical applications. The 20" stainless steel barrel's heavy profile enhances stiffness and thermal stability during extended strings, promoting repeatable groupings and dependable performance in demanding conditions. This upper is designed for shooters who demand top-tier accuracy, modular adaptability, and a rugged, long-service life in a complete upper package.