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AR Pistol & Rimfire Caliber Barrels

X-Caliber Barrel & Mfg. offers the widest variety of contours and calibers in the industry. Our quality is equal to, or surpasses any of the big name barrel makers. All of our barrels are hand lapped and QC inspected before they are shipped to ensure the highest quality and greatest accuracy. 

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Configure Your Custom AR22 Barrel

Build a custom AR22 conversion barrel. For use with AR15 to .22LR conversion kits only (.22LR to 223Rem Chamber Insert type). These barrels come with .217/.222 or .218/.222 bore and groove rifling but with a .223Rem chamber to accept various conversion kits out there but without sacrificing accuracy/velocity from using improper bore/groove diameter. No gas ports are drilled on these barrels. -----MUST BE USED WITH AN AR-15 to 22LR CONVERSION KIT AND FIRED ONLY WITH .22LR AMMO-----PLEASE READ BELOW IN OVERVIEW FOR MORE DETAILED INFORMATION.
$270.00

AR 9mm Barrel

1:10 Twist, 6 Groove, 1/2"x28 or 5/8"x24 Muzzle Thread
$175.00

45 ACP Barrel

1:16 Twist, 5/8"x24 or 11/16"x24 Muzzle Thread
$175.00