Grizzly 4003G

Rebarreling a Winchester Model 70

February 15, 2016 // 0 Comments

Originally introduced in 1936, the Winchester Model 70 is an icon of the American rifle market.  The two most notable features of the original Model 70 were it’s three position safety and non-rotating controlled round feed extractor. In 1964, Winchester redesigned the rifle and changed …

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 …

I’ve had my Grizzly 4003G Gunsmith’s lathe for approximately 2 years and love it.  Since I use the lathe primarily for barrels, my work has been with a spider or 4-jaw chuck.  I only mounted the 3-jaw a few times and something didn’t look right. …

AR15 Barrel Threading

December 26, 2012 // 0 Comments

We recently decided to add a muzzle device to our factory cut and crowned Colt 16 5/8″ barrel.  As always, the following is presented to document our projects and is for information purposes only. We are a big fan of heavy, contoured (.875′) 16″ barrels …