Check the listing for details. AZoom Rimfire Action Proving Non-Firing Training Rounds, Solid Anodized Aluminum. Condition: New. Listed at 13.49 USD. A-Zoom® Rimfire Action Proving Non-Firing Training Rounds- These are not real ammo, they cannot fire, they do not go boom - Available in sizes from .17 HR/Mach 2/Win Super Mag through .22 LR/WMR. ✔NEW ✔Low Price ✔U.S. Shipping ✔Authorized Dealer These Rimfire dummy rounds (these do not and cannot fire) are ideal for gun testing and shooter training. Not snap caps, but rather precisely dimensioned, functional dummies; A-Zoom Training Rounds are CNC machined from solid aluminum and hard anodized. A-Zoom Rimfire dummies are widely used for hunter education and teaching safe firearms handling. Gunsmiths rely on them, too. • Solid Precision Aluminum Construction• Hard Anodized to provide long life and smooth functioning• Teach or learn safe gun handling, with no danger of accidental discharge (DO NOT mix with live ammo)• Handles just like real ammo! Safely learn to load, unload, and manually cycle your gun• Recommended by Gunsmiths, Law Enforcement, Competition Shooters NOTE: These are not intended for repeated snaps, dry firing will deform the head and will limit their use to 4 or 5 hits.If you are looking for .22 LR snap-caps, look here: #03200 Pachmayr .22 LR Rimfire Snap Caps / Dummy Rounds (24 pack)