Tag: .223 Remington

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AR-MPR 1st Range Report – Unexpected Results

  The mission for the first range trip with the AR-MPR rifle was to really do two things: First, it was about function checking the rifle. Second, it was about sighting in the Nikon Monarch 6-24x50mm riflescope. A third and less important goal was to see how accurate I could shoot this rifle based on […]

AR-MPR: Build Part 7 – Lower – Buttstock and Mating Upper Lower

In this, the final AR-15 assembly video, we’ll walk through the installation of the takedown pin and the buttstock assembly. Finally, we’ll put the upper and lower together for the first time and establish basic functionality (formal function check to follow in subsequent posts). After all of the planning and work that went into getting […]

AR-MPR: Build Part 6 – Lower – Trigger Grip and Safety

Continuing our way through the lower build steps, in this video, we’ll look at installing the Geissele national match trigger assembly, the trigger guard, the safety selector lever assembly, and the pistol grip.       Next, it’s on to the stock and final touches! Thanks,Gavin  

AR-MPR: Build Part 5 – Lower – Magazine Catch Bolt Catch Pivot Pin

In this video, we’ll start the assembly of the lower by walking through the installation of the magazine catch, the bolt catch, and the pivot pin. You’ll see a trick for installing the pivot pin that makes use of a dulled razor blade, and a modified section of drill rod. From the video, in this […]

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 […]

AR-MPR: Build Part 2 – Upper – Barrel, Gas Block, Gas Tube

We’re continuing here with the upper build process for the AR-MPR rifle. In this video, we’ll walk through the process of disassembling the barrel assembly, replacing the barrel nut with the custom aluminum unit that came with the Midwest Industries freefloat handguard, install the barrel, install the gas block and gas tube, and finally replace the muzzle brake. In the next […]

Weekend AR-15 build – Gary Wood’s A2 Style Carbine

    Gary Wood’s A2-style AR-15 (click for larger version) – Image Copyright 2010 Ultimate Reloader This weekend, we (some friends and myself) put together a lower from scratch, and mated this assembled lower to a pre-assembled 16″ barrel upper. This was both a fun project, and good practice for the upcoming videos on lower […]

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Reloading Safety

Polls