Home CMMG AR-15 Bolt Carrier Group (BCG): How To Disassemble & Reassemble Close-Up Video...

AR-15 Bolt Carrier Group (BCG): How To Disassemble & Reassemble Close-Up Video of Every Step

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Short and to-the-point Video: AR-15 Bolt Carrier Group Disassembly (BCG) and Reassembly is really easy when you know what to do. All AR-15 platform rifles have a Bolt Carrier that disassembles the same way.

AR-15 Tools & Cleaning kits:

Learn to quickly and easily break down the bolt carrier and remove the extractor for cleaning.

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Time Codes:
0:00 Start with Bolt Carrier Group already removed from AR-15 rifle
0:14 Remove the BCG Cotter Pin & Firing Pin
0:29 Remove the bolt from the Carrier
0:54 Remove the Extractor from the Bolt
1:33 Reassembly of the AR-15 Bolt Carrier Group
2:01 Check the Gas rings & Lubricate the Bolt
3:20 Assemble the Bolt to the Carrier
4:00 Reinstall the Firing Pin & Cotter Pin

This video will show you every simple step and you will be a pro in no time! You don’t need any tools to break down the bolt carrier group for detailed cleaning.

Website Article:

For detailed Ejector and Extractor Disassembly, go to:

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4 COMMENTS

  1. Ive been looking for a close up video like this for a while. Nice camera angles. I just bought my first AR and I want to be as familiar as possible before my first clean and lube of the rifle. Thank you sir!!

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