From the manufacturer

Ensure safety with A-Zoom Precision Action Proving Rounds

These rimfire dummy rounds are ideal for action 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 .22 Rimfire dummies are widely used for hunter education and teaching safe handling. Gunsmiths rely on them, too. When checking or adjusting the trigger pull use snap caps. Please note: These are NOT Dry Fire Snap Caps!

About Us

The patented line of A-Zoom precision metal snap caps were originally introduced to the market in 2000 and joined the Lyman family in 2002 to meet the growing demand for high quality training rounds for shooters, hunters, law enforcement professionals and the military. A-Zoom snap caps are individually CNC machined to precise cartridge dimensions from solid aluminum, then anodized with a hardcoat finish that provides ultra-smooth functioning and superior longevity. They are ideal for safety training, function testing or safe decocking without damaging the firing pin. A-Zoom Snap Caps can be used as a training tool for loading and unloading drills for marksmen and law enforcement professionals, as well as practice rounds for mis-fires. A-Zoom snap caps are available in over 110 sizes ranging from 17 Rem. to 50 BMG, including rimfire and shotshell training rounds.

These .22 Rimfire dummy rounds 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 .22 Rimfire dummies are widely used for Hunter education and teaching safe firearms handling. Gunsmiths rely on them, too! A-Zoom 22 long rifle action proving DUMMY rounds are designed to teach safe firearms handling. They are not snap caps. They may be worked through the actions of any 22 long rifle for function testing. Dry firing will deform the head and will limit their use to 4 or 5 hits.