Rubber Butt Stock Anti-Slip Pad. This Rubber Pad Only fits The M4 Style Carbine Style Collapsiable Stock.
Slip-on pad helps keep the gun against your shoulder and adds 1" INCH to the length of pull. Plus, it protects the stock from bumps and dings. Installs with no modifications to the stock. Fits M4 BUTTstocks only.