A collet squeezes the case neck against a precision mandrel for perfect bullet fit with minimum run-out. Maximum accuracy is usually achieved by seating the bullet out far enough to touch or almost touch the rifling. This provides the shot start pressure normally supplied by the crimp.
| Attribute | Value |
| Type | Collet Neck Sizing Rifle Die |
| Caliber | 300 Win Mag |
| Die Type | Neck Sizer |
| Die Series | Collet |
| In Set | 1 |
| Manufacturer Part Number | 90961 |
