Tag: Accurizing

AR-MPR: Accurizing the Upper Receiver – Test Results

In the following posts: AR-MPR: Accurizing the Upper Receiver – Part II: Milling and Receiver Face Truing AR-MPR: Accurizing the Upper Receiver – Part I: Prep and Welding AR-MPR: Accurizing the Upper Receiver – Overview I’ve documented an experiment in accurizing the upper receiver of the AR-MPR rifle. It was a bit painful to file […]

AR-MPR: Accurizing the Upper Receiver – Part II: Milling and Receiver Face Truing

In this post, I’ll finish covering the accurizing steps and experiments for the AR-MPR upper receiver- so far, we’ve covered the following: AR-MPR: Accurizing the Upper Receiver – Overview AR-MPR: Accurizing the Upper Receiver – Part I: Prep and Welding Following the welding process, I carefully milled and measured the sides of the upper receiver […]

AR-MPR: Accurizing the Upper Receiver – Part I: Prep and Welding

In my last post, outlined some ideas and goals for talking the slop out of the fit between the upper and lower receivers on the AR-MPR rifle. The first step is to remove the gaps between the sides of the upper receiver lugs, and the channels at the front and back of the lower receiver. […]

AR-MPR: Accurizing the Upper Receiver – Overview

A while back, I posted some AR-MPR rifle accurizing plans. This was my first-pass at enhancing the accuracy of the AR-MPR rifle. Since this post, I have had a few range visits (sorry, don’t have photos as the range does not permit photography) where I did not see the kind of accuracy and consistency that […]

AR-MPR: Phase II – Rifle Accurizing Plans

I just read a great article written by Robert Whitley of www.6mmar.com fame that was posted on the  http://accurateshooter.com blog: What Makes an AR Accurate — Whitley Offers Answers Talk about good timing! This post helped me plan the first wave of accurizing activities for the AR-MPR rifle. My goal is to remove any factors […]

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