I G B barrel for handgun for GLOCK - original form 10mm Auto from G21

IGB conversion barrel GLOCK Gen3&4 original dimensions barrel length up to 7.5" possible threads and porting for an additional charge completely tested according to German law the external contour of the barrel corresponds to the .45Auto barrel. The internal profile and the chamber correspond to the "new" caliber 10mmAuto. This conversion barrel does NOT fit into a 9mm pistol. Due to manufacturing tolerances of the barrel and slide, minor fitting work may be required, which should be carried out by a competent professional. Additional magazine for this caliber change you will additionally need a 10mm magazine. This is not included in the purchase price. Changes to the weapon: Apart from the magazine change, no modifications are necessary. Both the recoil spring and the extractor remain original.