Barrel Thread Converter / Adapter, 9/16"-24 Female to .578x28 ( 37/64"-28 ) Male
35 mm /1.4" Length
Diameter of Internal Hole : 0.46" / 11.68 mm
Steel , Black
NOTE:
* .45 ACP caliber barrel thread is .578x28 ( 37/64"-28 = 14.68 mm) thread.
** Total 10 sizes Barrel thread to .578x28 ( 37/64"-28 ) Male Converters are available under TUFFORCE Brand.