Tag: AR-MPR

AR-MPR: .223 Remington -vs- 5.56 NATO – What’s the skinny?

One of the first things people ask when it comes to the AR-15 platform is: “What exactly is the difference between .223 Remington and 5.56 NATO (5.56mm x 45mm), and why should I care?”. Here, I’ll give you the essential facts related to the differences between these cartridges and the corresponding chamber dimensions. This understanding […]

AR-MPR AR-15 Project Kick-Off

It’s official guys- we’re going to get up close and personal with the AR-15 here on ultimatereloader.com! This video will give you an overview of a long-term project I’ll be working on here on ultimatereloader which will include a complete from-scratch precision AR-15 build, .223/5.56 precision handloading processes, and finally mass production of .223/5.56 ammo […]

Reloading Safety

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