This H3 AR Recoil Buffer potentially increases dwell time, eases extraction and reduces felt recoil. It consists of 3 heavy tungsten weights contained within a reinforced 6061 -T6 aluminum body. It is finished in a hard coat anodize and completed with a tightly-fitted end bumper. Height: 3.26". Total Weight 5.4 oz. Recommended for use with the AR-5656Ū Pistol chambered in .350 Legend when used with a suppressor and sub-sonic ammunition. Made by UTG Leapers.