LugerForum Discussion Forums - View Single Post - Regarding Concentric Circled On Navy Mags

Vlim · 05-04-2017, 08:15 AM

There is also the old story that the concentric circles were there to distinguish between 9mm and .30 luger magazines (spring tension difference).

05-04-2017, 08:15 AM	#56
Vlim Moderator Lifetime LugerForum Patron Join Date: Oct 2002 Location: Europe Posts: 5,053 Thanks: 1,036 Thanked 3,990 Times in 1,205 Posts	There is also the old story that the concentric circles were there to distinguish between 9mm and .30 luger magazines (spring tension difference).