Bolt Carrier Groups (BCGs): How to Choose & What to Look For

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.

🔥 Search SKUs on bearcreekarsenal.com 🔥
5.56/223/300 Blackout/350 Legend BCG: BCG-15
458 SOCOM/450 Bushmaster BCG: BCG-450-458
7.62x39 BCG: BCG762-15
6.5 Grendel BCG: BCG65-15

Timeline
0:00 Intro
0:09 Gas Key Staking
0:37 MPI
0:53 Black Nitride
1:46 Nickel Boron
2:25 Titanium Nitride
3:05 PVD
3:36 DLC
4:07 Which One is Best for You?

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