chaosrob Posted May 8, 2016 Report Share Posted May 8, 2016 (edited) Our custom 380 barrels have the larger 9mm 3/4" threads for installing an old-school 9mm SIONICS suppressor, or for installing our 9mm MacAdapter, as well as having 1/2"-28 threads on the muzzle for installing a modern 9mm suppressor or AR15 type 9mm flash-hider/compensator. Our custom 380 barrels, are physically/metallurgical identical to our M11/9 upgraded barrels, except chambered in 380. Materials: 4140 Chrome-Moly steel. Alignment: Bore-OD/Center. Rifling: Button. Twist: 1:10 Chamber: Upgraded (proprietary) from oem specifications & polished for improved feeding and extraction. Suppressor contacts: 3/4-10tpi (oem/sionics) & 1/2-28tpi muzzle. Suppressor alignments: 3/4" & 1/2" threads concentric with bore axis. Length: 5 & 5/16" (OEM length) Finish: Black oxide Additional: Machined 7/8" wrench-flats for easy installation/removal Proudly Made In The U.S.A 380 M11 Barrel Edited May 8, 2016 by chaosrob Quote Link to comment Share on other sites More sharing options...
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