Tag: Headspace

TECH TIP: Case Gauge -vs- Min Dimension Gauge

Wondering what the difference is between a standard “Case Gage” and a “Min-Chamber Gage”? That’s exactly what we’ll cover in this story! Wilson Case Gage A standard case gage from Wilson Tools and Gages (LE Wilson) is used for two things. First, you can view the back of the case gauge to check headspace (sizer […]

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 […]




Reloading Safety

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