The Tiger Rock Inc. ST009P4-7.5 AR-9mm Complete Custom Pistol Buffer Tube Kit optimizes your weapon's functionality and reliability. Expertly designed, this kit includes all essential components for a seamless upgrade, enhancing your shooting performance. This value-packed kit features a robust AR-15 pistol buffer tube, a durable buffer castle nut, a stock buffer end plate, and a high-quality 7.5 oz stainless steel bolt buffer, ensuring minimal recoil and maximum precision. AR-15 Custom Made Pistol Buffer Tube AR-15 Buffer Castle Nut Stock Buffer End Plate 7.5 oz Bolt Buffer AR 9mm - Stainless Steel AR-15 Carbine Length Buffer Spring - Steel Elevate your shooting experience with this indispensable kit for unmatched performance.