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Thor · 04-06-2002, 08:10 PM

Some K dates had them on them and some Ks had a thickened back edge so if they wanted the HUMP, they could machine metal off the bottom edge of the thickened wall, it was an attempt to keep the rear axle pin from sliping sideways under full recoil. MOST Mausers will have it, but they would leave it out for a while then put it back in. Some Navy Lugers approached this problem from a different angle, they made the head of the pin LARGER. Lots of fake NAVYS will have not have this thickened pin, but you have to check the years, not all Navys had this, I think! Thor

04-06-2002, 08:10 PM	#2
Thor User Join Date: Jun 2002 Location: Rio Rancho, New Mexico Posts: 4,583 Thanks: 958 Thanked 970 Times in 276 Posts	Re: Mauser's Rear Frame "Bump"...? Some K dates had them on them and some Ks had a thickened back edge so if they wanted the HUMP, they could machine metal off the bottom edge of the thickened wall, it was an attempt to keep the rear axle pin from sliping sideways under full recoil. MOST Mausers will have it, but they would leave it out for a while then put it back in. Some Navy Lugers approached this problem from a different angle, they made the head of the pin LARGER. Lots of fake NAVYS will have not have this thickened pin, but you have to check the years, not all Navys had this, I think! Thor