Rainier Arms 9MM Glock/Colt Compatible Precision Match Grade Bolt Carrier Group (BCG) - Nickel Boron

The Rainier Arms Precision Match Grade 9mm BCG is machined and finished to a higher standard. It is machined using the most precise equipment in the industry. Carrier/Bolt 8620 steel Extractor 4140 steel Compatible with Glock, Colt, Ruger, S&W, and STI mags DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.