Tag: Bolt Carrier Group

Keep your AR-15 Running Smoothly: BCG Maintenance

If you own an AR-15 you may have had a similar thought process: “Hmmmmmmm…. why is my AR-15 jamming/malfunctioning all of a sudden?”. I recently had an AR-15 start misfiring (light strikes) and after considering the primers I had loaded with and other factors I decided to disassemble, clean and lubricate the Bolt Carrier Group […]

AR-MPR: Build Part 4 – Upper – Bolt Carrier Group and Headspace

In this video, we’ll put the final touches on the upper assembly by walking through the assembly of the Bolt Carrier Group (BCG), checking headspace, and finally installing the BCG and charging handle into the upper receiver. Note: Here, I show you how to check headspace with the extractor installed. You can also do this […]

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