Check the listing for details. A-ZOOM Action Proving Dummy Round, Snap Cap for 40 S&W NEW! # 15314. Color: Blue, Condition: New. Listed at 33.84 USD. Action Proving Dummy Round Snap Cap, Blue 10 Pack40 S&W15314New! A-Zoom metal snap caps protect your weapon from spring fatigue and damage to your firing pins from dry firing. Snap caps allow you to release your firing pin without damaging your gun. You can practice sight control, trigger squeeze, and check the weapon's cycling as well. Stock up and get all the calibers you need today. A-Zoom snap caps are precision CNC machined to fight the exact size of the ammo for your gun. Functions just like real ammo - without the noise Teaches safe gun handling, thousands of dry fires without damageOffers versatility: training, storage, testing, practice Hard anodized aluminum construction. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We are a Factory Direct Dealer of A-Zoom. ALL MANUFACTURERS WARRANTIES WILL APPLY ! All of our products are BRAND NEW in the box;and contain all of the parts, materials and documentation. You can expect and will receive prompt delivery of your order. We will ship your order within ONE DAY! We are unable to accept returns on used, fitted, or altered parts. Returns must be in new, unused condition and in their original packaging.