RCBS Universal Primer Arm 2 For Small & Large Primers
Features:

• Primer Arm-2
• Small & Large Primers
• Each
• 9550

Fast, accurate primer seating for large and small rifle and pistol calibers. You can change from one size to another in less than 60 seconds, because a complete arm isn't needed for each size. A flat return spring prevents jamming. Plugs and sleeves included. For reloader special, junior, and rock chucker.