Phase 5 RMSA Rifle Mini Stock Assembly for AR15 AR10 Aluminum

The Phase 5 Weapon Systems RMSA Rifle Mini Stock Assembly Black Aluminum for AR15/AR10 delivers a compact, durable upgrade for modern rifles, combining rugged 7075 aluminum construction with a sleek black finish to enhance handling and control. Designed as a stock kit for AR15 and AR10 platforms, this RMSA assembly integrates a conductive, lightweight tube included setup that simplifies installation while maintaining reliable shoulder support and stability through varied field conditions. Phase 5 leverages precise machining and a refined geometry to deliver improved cheek weld, enhanced balance, and repeatable positioning without sacrificing compatibility with standard components. The Black aluminum build stands up to rigorous use, resisting impact and wear while offering a smooth, low-profile profile that helps reduce snag hazards during rapid maneuvers. Whether you're outfitting a duty-ready build, a competition rifle, or a versatile sporting setup, this RMSA kit provides a dependable mounting option that harmonizes with existing rail systems and stocks. Optimized for versatility and durability, it's a practical, performance-driven choice for shooters who value dependable stock performance in demanding environments.