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Davey in NM
August 12, 2000, 04:33 PM
Does anyone know the rate of twists for the Ruger PC9 (9mm) and/or the Ruger PC4 (.40S&W) carbines?
Medic
August 14, 2000, 04:49 PM
The twist for the PC9 should be 1 in 10 and the twist for the PC4 should be 1 in 16.