Bolt Carrier Groups (BCGs): How to Choose & What to Look For
4 years ago
386
Learn what to look for when selecting an AR15 bolt carrier group for your next build! Lemar covers the basics of BCGs including the various coatings (black nitride, phosphate, nickel boron, titanium nitride, DLC, and PVD), Magnetic Particle Inspection (MPI), gas key staking, and more! Shop high quality AR-15 and AR-10 bcgs online at bearcreekarsenal.com.
🔥 Find bolt carrier groups at bearcreekarsenal.com! 🔥
https://www.bearcreekarsenal.com/ar-15/ar-15-bolt-carrier-group.html
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