Grey Birch MFG Precision Bolt Assembly For Ruger 10/22 Polished Nitride Steel 1022Bolt. The first was to tighten and control head space to .002 which significantly improves accuracy and consistency of accuracy. The second was to improve the external...
Grey Birch MFG Precision Bolt Assembly For Ruger 10/22 Polished Nitride Steel 1022Bolt. The first was to tighten and control head space to .002 which significantly improves accuracy and consistency of accuracy. The second was to improve the external...