Snap Caps have a variety of uses around the bench. It is generally accepted that one shouldn’t drop the firing pin on an empty chamber – which is the primary reason to have Snap Caps. You should always use Snap Caps when checking or adjusting the trigger pull. If you prefer to release the tension on the hammer springs. Whatever your needs, Snap Caps are handy and inexpensive. Perfect for Training Vector Optics precision metal snap caps are ideal for dry firing,practicing trigger pulls, safety training, function testing, and dry fires without damage. Our 223 rem snap caps are inert, completely safe. Quality and Quantity All Vector Optics snap caps come packed in 6pcs per package. Construction Vector Optics 223 rem snap caps are precision machined from solid aluminum and hard coat anodized for ultra smooth function and long life. Product Specification: Size:Same as real cartridge Material:Aluminum alloy Finish:Red anadized Qty:6 pieces Totally safe Functions just like real ammo - without the noise Offers versatility: training, storage, testing, practice Thousands of dry fires without damage