Lee's Factory Crimp Die crimps the bullet in place more firmly than any other tool. Tests demonstrate that even bullets which have no crimp groove will shoot more accurately. A firm crimp improves accuracy because pressure must build to a higher level before the bullet begins to move. This higher start pressure insures a more uniform pressure curve and less velocity variation.
| Caliber | 50 BMG |
| FireArm | No |
| In Set | 1 |
| Die Type | Crimp |
| Type | Crimp Die |
