Ultimate Arms Gear Buffer Technologies CETME H&K 91/93/G-3 Recoil Reducing Buffer Rifle Cycling System Care And Reel Silicone Cloth Recoil buffers are an easy and inexpensive way to eliminate damage of critical components by preventing the metal to metal contact of the slide with the frame. Made from a high density polyurethane formulated for maximum shock-absorbing characteristics, the recoil buffer is a drop-in part. Absorbs the shock from the action operating, rather than having metal to metal contact at the end of the travel. Service life of the buffer is 800 to 1,000 rounds. Buffer will not be damaged by oils or solvents. Installation Instructions Included. Ultimate Arms Gear Silicone Cloth is an Essential Part of Every Arsenal. Lubricated with Safe, Non-Toxic, Food-Grade Silicone, Our Cloths Wipe Away The Fingerprints and Body Oils that Cause Rust. Size: 12" x 14" Inches. Color: Yellow.