KKM Bull Barrel 5.0 Threaded


  • The same barrels we use in Atlas Gunworks sight block guns and open guns
  • 416R Stainless Steel
  • 42 RC
  • 5 inch Government length
  • Available in 9mm and 40 S&W
  • Threaded .685×40 (11/16x.40) for Atlas Gunworks sight blocks or standard comps
  • Clark/Para Ramp Only
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These are not your standard threaded barrels. These are 5.0 threaded barrels (.400 shorter than standard threaded barrels).

From KKM:

All KKM barrels are made using certified 416R gun-barrel quality stainless steel bar stock. The barrels are then heat treated and vacuum tempered to 42 RC. All of the barrels are CNC machined to obtain superior dimensional tolerances over stock. The advanced proprietary button rifling process allows KKM barrels to offer greater accuracy over stock barrels. The barrels come with fully supported match chambers for shooting factory or reloaded ammunition as well as lead or jacketed bullets.


Note: All KKM 1911 barrels require gunsmith fitting.

Additional information


9mm, 40 SW


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