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Use Economical .22 LR Ammo To Practice More & Hone Critical Shooting Skills

Drop-in .22 LR conversion system comes fully assembled and ready to install in any semi-auto AR-15 to help you practice critical shooting skills with economical rimfire ammunition. Concentrate on improving grip, sight alignment, trigger pull, and other skills without burning up expensive centerfire ammo. Simply replace the bolt and carrier with the conversion unit, load up the included magazine with high-velocity round-nose .22 LR ammo, and you're ready to shoot. Precision machined from high-grade carbon or stainless steel for reliable function in any mil-spec AR-15 rifle or carbine chambered in 5.56mm NATO, including many gas piston systems.