Check the listing for details. Strike Industries 308 Win /7.62 Polymer Training Dummy Rounds / Snap-Caps 5-PACK. Color: Orange, Condition: New. Listed at 12.95 USD. Strike Industries .308 / 7.62 Dummy Rounds - 5 Pack Features:Key Ring IncludedDurable polymer construction Able to be worn as a key chain, necklace, etc..Can be use as a Mag Release ToolStrike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the firing pin. SI Dummy Rounds are a great training tool for safe handling of any of the most popular firearm calibers. This will aid in keeping your fundamentals sharp and keep the cost down on practice. They are made out of polymer material so it won’t corrode or cause corrosion to any of your firearms. *Dummy rounds only, magazine and firearm not included.