Length of Mainspring

mrerick · 03-16-2013, 01:08 PM

You have a recoil spring appropriate to a later Luger (like those made by Mauser).

The earlier coiled springs associated with the .30 Luger and the 9mm Imperial / Weimar era Lugers had fewer coils.

This relates somewhat to the ballistic characteristics of the ammunition of the eras.

Get some 115gn standard velocity 9mm ammo (Winchester white box, etc...) and give it a try. Use a firm handhold and observe how it cycles. Watch the area on the receiver right at the back where the rear toggle impacts it.

Marc

03-16-2013, 01:08 PM	#2
mrerick Super Moderator - Patron LugerForum Life Patron Join Date: Dec 2009 Location: Eastern North Carolina, USA Posts: 3,920 Thanks: 1,377 Thanked 3,135 Times in 1,518 Posts	You have a recoil spring appropriate to a later Luger (like those made by Mauser). The earlier coiled springs associated with the .30 Luger and the 9mm Imperial / Weimar era Lugers had fewer coils. This relates somewhat to the ballistic characteristics of the ammunition of the eras. Get some 115gn standard velocity 9mm ammo (Winchester white box, etc...) and give it a try. Use a firm handhold and observe how it cycles. Watch the area on the receiver right at the back where the rear toggle impacts it. Marc __________________ Igitur si vis pacem, para bellum - - Therefore if you want peace, prepare for war.

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