The Best 9mm BCG you can buy! Since 2014, our premium 9mm bolt carrier group has been running in AR9’s and submachine guns all over the world! Machined from 8620 steel and finished in a beautiful QPQ black nitride, this AR9 BCG will have your gun running smoothly and looking great. Compatible with both GLOCK and Colt style magazines.
About Angstadt Arms 9mm BCG – We’re a leading firearms OEM supplier
- Machined from 8620 alloy steel with a QPQ black nitride finish
- Cut for a M16 auto sear (full auto compatible bolt)
- Ramped bolt is compatible with both GLOCK® and Colt® 9mm AR-15 magazines
- Compatible with most AR9 triggers
- Features removable weight for use with Law Tactical folding stock adapter, Maxim roller-delayed buffer and the JP 9mm silent capture spring