Used for 38 Special/357, 40 S&W, 10mm and larger cartridges. For 357, 41 and 44 magnum, 45 Colt, use the spacer washer that is included with the electric case feeder. For 7.62x39mm, use two of the spacer washers.
Recommended for use with 32ACP, #2 S&W Long/32 H&R Magnum, .380 ACP, 9mm/38 Super. For 30 Carbine, use two of the spacer washers.
Recommended for .17 Remington, .204 Ruger, 222 & 223 Remington and related cartridges