Did you break or ding your walnut stock?
Air Arms Monte Carlo walnut stock Fits S400, S410, S500 & S510 air rifles Right-hand Ventilated rubber buttpad Checkered pistol grip and forearm Raised cheekpiece If you bought your Air Arms precharged pneumatic gun with a beech stock, you can upgrade it to this walnut beauty. Air Arms Walnut Stock, Right-Hand, fits S400, S410, S500, S510 Air Rifles. This is the replacement that'll make it right, again.