Ram Rides in Ball Bearings for Smooth Operation - Selectable Cam Over or Stop Operation. Loads up to 338 Lapua Length Cartridges. Integrated light. Compatible w/ Standard 7/8”x14 Dies - Uses Standard Shell Holders - Works with 1-1/4” and standard 7/8”. No-Mess Primer Catch uses Bottle or Hose Barb - Solid Steel Rod Frame Pillars.