RCM STEYR 357 SIG CONVERSION BARREL MODEL M
This RCM 357Sig conversion barrel is a drop in replacement for the Steyr M40-A1. Made from 4140R barrel steel. Heat Treated then Nitrided throughout. Micro Polished feed ramp to and in feeding. 1:16 Twist. This caliber takes the dull .40 to the next level. A very snappy and accurate round.
5 in stock