Category: AR-MPR Build

SDI: Extreme AR Accurizing

Most don’t think of AR’s when it comes to precision rifle builds. Rick Casner from the Sonoran Desert Institute joined us to explore AR accurizing.  Disclaimer Ultimate Reloader LLC / Making with Metal Disclaimer: (by reading this article and/or watching video content you accept these terms). The content on this website (including videos, articles, ammunition […]

Longshot LR-3 Two-Mile Target Camera

Tired of walking downrange to check your targets? Longshot Camera’s LR-3 two-mile target system allows you to see your shots in real time!  Disclaimer Ultimate Reloader LLC / Making with Metal Disclaimer: (by reading this article and/or watching video content you accept these terms). The content on this website (including videos, articles, ammunition reloading data, […]

AR-MPR: Mounting Nikon Monarch Scope and M-223 Mount

In this post, we’ll look at what’s involved in mounting the Nikon Monarch 6-24 x 50mm riflescope to our AR-15 using the Nikon M-223 scope mount. Before we get on with the video, let’s take a look at the finished product: What’s nice here about using the Midwest Industries quad rail handguard, is the “continuous […]

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 […]

AR-MPR: Build Part 1 – Upper – Ejection Port Cover and Forward Assist

Now that we covered planning, the parts lists, and the tools list, it’s time to get going with the AR-15 build process! We’ll start with the upper assmbly, and then move on to the lower assembly. In this video, we’ll start with the upper receiver casting, and install the ejection port cover and forward assist. […]

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