Description
The Lee Die 220 Swift Fc is a crimping die that is designed to improve accuracy in firearms. Tests have shown that even bullets without a crimp groove can shoot more accurately with this die. This die creates a firmer crimp, which leads to a higher start pressure and less velocity variation.
Lee Die 220 Swift Fc Product Info Lee 220 SWIFT 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.
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