PBA ammo can damage and even penetrate many metal airgun traps & targets. If you must use metal traps or targets, use our Heavy-Duty Metal Trap, the A.G.E. Quiet Pellet Trap, or traps & targets designated for rimfire guns. .22 caliber 9.8 grains Round nose 50 pellets True Gold 18 Karat gold plating eliminates barrel corrosion and enhances accuracy shot after shot.