13C7248 is Is a no4 mk1* gun with the bolt cut out yet 15C6098 is a later gun but it is a no4 mk1 gun with a bolt release catch . I find this interesting why would a later gun have a bolt release catch
13C7248 is Is a no4 mk1* gun with the bolt cut out yet 15C6098 is a later gun but it is a no4 mk1 gun with a bolt release catch . I find this interesting why would a later gun have a bolt release catch