If your shell holder doesn't securely grip the sell and firmly fit into the press during reloading, you're bound to have headspace and sizing problems. RCBS manufactures their shell holders to the industry's tightest tolerances, using only the finest steel.
Fits:
- .17 Remington
- .17 Remington Fireball
- .204 Ruger
- .221 Remington
- .222 Remington
- .222 Remington Magnum
- .223 Remington (5.56mm)
- 6mm x 45
- 7mm Thompson/Center Ugalde
- .300 AAC Blackout
- .380 Auto Pistol
- 9mm x 18 Ultra
