Set of six .45 Auto Rim (Auto Rimmed or AR) dummy rounds / snap-caps / fake bullets. Great for safely function checking, as a training aid, or display.
A-Zoom Snap Caps, 9MM, 5 Pack 15116, UPC :666692151163
ST Action Pro Dummy Rounds
Store didn't have any Snap Caps so I printed my own with Gold & Silver. : r/3Dprinting
EveryMarket
Dummy/Blanks Shoot Center Target
A-Zoom StrikerCaps 45 ACP Snap Caps - 2 Pk 17104
Dummy rounds for dry fire? : r/CCW
Action Trainer Dummy Round
Can you practice with a .22 revolver to get better at shooting a 9mm pistol? 9mm ammo is expensive and I have both. - Quora
A-Zoom Snap Caps Strikercaps 17102 - Abide Armory
45 ACP Plastic Snap Caps / Dummy Training Rounds (10 Pack) - Lynx-ammo
Practice Ammo - 9mm Snap Cap, Shooting Training
Is it okay to use empty fired shells as snap caps in newer revolvers? - Quora