USMC M40A5 Build-Part 2: Lug slotting the receiver USMC M40A5 Build- Part 1: Gathering the Parts provided an overview of the parts required to complete an M40A5 (or M40A3).  In Part 2 of this series, the receiver will be lug slotted for the M40A3/A5 Optical Platform.  I …

Custom Remington 700 6.5×47 Lapua Build

April 18, 2015 // 0 Comments

In this post, we’ll build a custom Remington 700 chambered in 6.5×47 Lapua. First, a little history on this project.  My buddy managed to score a great deal on a used McMillian HTG stock inletted for a Remington 700.  Since he is left handed (a …

7mm Remington Magnum (7 Rem Mag) Barrel Length Versus Velocity Since its introduction in 1962, the 7mm Remington Magnum (7 Rem Mag) has developed a strong following, becoming the most popular metric hunting cartridge in the United States.  Based on the 375 Holland and Holland, …

Chamber Reamers

April 5, 2015 // 0 Comments

Chamber Reamers Let’s take a look at chamber reamers for metallic cartridges.  If you are new to gunsmithing, or a serious firearms enthusiast, this post will help enhance your understanding of these important tools. What are chamber reamers? Reamers are a metal working tools used …

Chamber options when barreling a Remington 700 receiver are limited by action length and the inside diameter of the bolt face.  If the action has a 223 (.384″) bolt face, that means 308 (.473″) or Magnum (.535″) cartridges aren’t an option unless the bolt is …

Remage Conversion 6BR 108 Berger

March 18, 2015 // 0 Comments

I headed to the range with the Remington 700 Remage conversion in 6mm BR Norma (6BR) to gather some more accuracy data. If you didn’t read the Remage barrel installation post, take a look at Rebarrel a Remington 700 without a lathe: McGowen’s Remage barrel conversion. The …

When the Remington 870 shotgun was originally designed, a shell could become jammed in between the bolt and the carrier without an easy way to remove it.  Old timers report having to either take apart the gun or mortar (drive the stock into the ground …

Hart XM3 barrel

March 15, 2015 // 0 Comments

A Hart XM3 rifle barrel has arrived!  As an XM3 fan, I’ve started gathering parts to clone a DARPA XM-3 rifle (to learn more about the XM3, check out  “The Darpa XM-3″ by Steve Reichert). I’ve cloned the XM3 profile on two Shilen blanks in Countouring a Rifle Barrel …

Finally, the weather broke and I got a chance to shoot my Remington 700 Remage conversion.  If you didn’t read the installation post, take a look at Rebarrel a Remington 700 without a lathe: McGowen’s Remage barrel conversion. A Remington 700 that has a Remage (REMington savAGE) …

I love my Bridgeport milling machine.  When I noticed a small jump in my table during climb cutting operations I figured something was wrong.  It turns out my Bridgeport milling machine had about .045″ of backlash in the x-axis.  Typically, backlash is adjusted by tightening …

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