NonServiam
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Buying a magazine for my Beretta 71 (sweet little thing, especially with the silencer ) from a German website, I came across the 4mm M20 calibre. Can anyone tell me more about it? German members or others?
Is this a widely used training calibre? My knowledge of the German language is a bit rusty, but are the 4mm M20 guns not registered, considered to be similar to airguns in that respect? Seems a lot of the guns on this site are rechambered/rebuildt for the 4mm ...
Is this a widely used training calibre? My knowledge of the German language is a bit rusty, but are the 4mm M20 guns not registered, considered to be similar to airguns in that respect? Seems a lot of the guns on this site are rechambered/rebuildt for the 4mm ...