KKM Precision Match M&P Conversion 357 Sig Barrel | Needs A Break In
This video reviews the KKM Precision Match M&P Conversion Barrel in 357 Sig. The reviewer highlights its drop-in nature and initial accuracy, noting a slight break-in period characterized by a sticky slide. Performance with both factory and handloaded ammunition is tested at various distances, with positive impressions of the barrel's potential once fully broken in.











