Barrel Thread Converter / Adapter M13.5x1 Female to .578x28 ( 37/64"-28 ) Male
35 mm / 1.4" Length
Steel ,
Oxidation blackening
NOTE:
* .45 ACP caliber barrel thread is .578x28 ( 37/64"-28 ) .
** Total 11 Sizes Barrel Thread to .578x28 ( 37/64"-28 ) Male Converters are available under TUFFORCE Brand