barrel holder for Drop-barrel gun.

摘要

barrel holder (1) for a gun-down barrel, which has at least one threaded hole (5) to accommodate an interchangeable barrel (2), which opens into an annular (8) for receiving the edge of a cartridge, conforming a peripheral section (12) of the annular projection (8) as exhaust mobile cartridge (10) axially, characterized in that the remaining peripheral section (13) of the annular projection (8) is formed by an adapter piece (15) separate , modularly inserted in the barrel holder (1).