Harrington & Richardson Retro Chrome Serrated Bolt Carrier Group

This Hard Chromed classic BCG is just what is needed to ensure your next retro project has superior functionality with the look and feel of a past relic. Full auto-rated and made from Carpenter 158 steel, this BCG will stand the test of time and bring your old treasures back to life. Features the original "MP" roll mark on the bolt."MP" Rollmark Original Style Firing Pin Retaining Pin Modern Standard Firing Pin