This Snap-On Recoil Pad from LimbSaver helps control muzzle jump, reduces felt recoil, and improves your accuracy with your AR-15/M4. Secure snap-on installation for quick on/off flexibility. Fits most 6-position tactical stocks (must have 1/4" step-down to properly snap on). Made of non-slip NAVCOM material for comfort and a strong grip even when wet. 3-step recoil reduction technology creates a more stable shooting platrorm.