Calibre conversion disc, 223 Remington / 5.56 Nato for commercial rollsizer.
223 Remington and 5.56 Nato share the same base dimensions. this can also be used for 300 BLK and 222 REM cases
Disc and calibre specific drop tube to suit 223 / 5.56. Drop tube included in conversion. Requires a rifle stand as retrofit. New orders require a rifle wire lever kit.
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