Ever elusive parabellum rifles.

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Well, I looked up the Mondragon rifle. The Mexican Army adopted it in 1907 in limited numbers as the first operational military self loading rifle. No toggle action, itâ??s a straight line rotating bolt gas operated design. But itâ??s still of importance to Luger fans. Mexico had a contract with SIG for production but canceled before very many were delivered due to Mexicoâ??s financial problems. SIG was stuck with a running production set up and sold them to any willing buyers. Germany bought around 3000 of them and used them to arm aircraft in the early stages of WWI. To provide fire power for them a 30 round drum magazine was developed. This same magazine was modified to accept the 9 mm Parabellum cartridge and went on to fame as our beloved snail drum magazine for the Luger.

Hereâ??s a bit on the history:

http://www.cruffler.com/historic-february01.html