We also do not offer 5R® rifling in our semi-auto barrels. We do not offer custom, non-standard twist rates in 5R® at this time. There is an additional fee of $15 for 5R® barrels.Ĭurrently, 5R® rifling is only available in the standard twist rates for that caliber unless otherwise noted. Our 5R® barrels are produced using the same methods and standards of match-grade quality as all of our barrels. Krieger Barrels has express permission to use both his "5R" terminology and the groove geometry he developed to produce our 5R® barrels. True 5R® rifling is an official registered trademark of Boots Obermeyer of Obermeyer Barrels. Many shooters find this groove style to be advantageous, which has led us to offer it in many of our calibers. not parallel to each other), instead they are angled or ramped as shown in the drawing above. In 5R® rifling, the barrel has 5 grooves and the sides of these grooves are not straight, (i.e. All of our barrels are made with a right-hand twist as standard. We do not make shotgun or pistol barrels at this time. Width grooves, and in some calibers you can choose the number of grooves (4, 5R, 6, 8). If your a cast lead shooter, for example, we can offer different In addition to the quality and consistency benefits, cut rifling offersįlexibility in rifling form, twist, groove dimensions, number of grooves and more. Shoot listed on this page, there is still a good chance we make the barrel you need. Since there are often many different cartridges for the same bore and groove dimensions, even if you don't see the cartridge you Note that we list the bolt action barrels we make by their bore and groove dimensions (remember we are barrel makers) and not always by any specific cartridge ![]() Our drop in, finish chambered, AR-15 barrels and Ruger Precision Rifle barrels on the other hand are ready to be installed to your upper upon delivery. By this we mean the barrel is left unchambered, unthreaded and must still be cut and crowned by a competant gunsmith. Generally, our bolt action barrels are left as blanks. So chances are good we can make the barrel that you need. Krieger Barrels regularly makes barrels from 20 caliber (.199 inch bore diameter) to 4 bore (.936 inch bore diameter) Whether you are re-barrelling your service rifle, AR, benchrest, F-class or hunting rifle, Krieger Barrels gives you the freedom to customize. From 20 caliber to Four Bore, Krieger Barrels offers a wide variety of popular and rare calibers in bolt action, AR-15, AR-10, M1 Garand, M1A/M14Īnd M1903.
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