RCBS Single Stage Press Universal Primer Arm 2

The RCBS Universal Primer Arm?2 is designed for fast, accurate primer seating. Primer plugs and sleeves are included for large and small rifle and pistol primers. Changing sizes is fast and easy, taking less than 60 seconds. The arm fits Rock Chucker II, JR, Reloader Special and most C presses.?Note: Not for use with Rock Chucker Supreme Made In United States of America