Enhance your firearm's performance with the Tiger Rock Inc. P+N+S 223/5.56 Rifle Endplate, Castle Nut, and Carbine Buffer Spring set for unparalleled reliability. This essential kit is constructed to provide durability and precision, featuring a resilient Stock Buffer End Plate, a robust AR Buffer Castle Nut, and a high-quality carbine length buffer spring crafted from steel. Designed for seamless compatibility, these components boost your rifle's performance significantly. Durable Stock Buffer End Plate Robust AR Buffer Castle Nut High-quality 223/5.56 Carbine Length Buffer Spring Invest in this kit for consistent accuracy and stability, suitable for all levels of shooters.