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TennBill2 · 05-01-2011, 03:14 PM

Interesting discussion. As I try to get my homebuilt 'Borchardt' ready to shoot, I used a Tokarev finish reamer to finish reaming for the 'Mauser'/Borchardt round. My intent is to wind up with a soft 30 Luger load. To check my work at this point, I've taken Starline Mauser shells and used primers only to test headspace/firing pin....fires fine! Chambers a standard 30 Mauser round nicely...but wouldn't think of firing it. Since I don't know how to duplicate the Borchardt mainspring, tension wise, I'll probably start with an absolute minimal loading to test cycling, and work my way up. I've debated enen using BP so as not to overstress the parts. I read where the original Borchardt had a terrible recoil......all the way to Ron Wood reporting, here, it was very smooth. Makes me wonder if some guy way back decided, since it fits, 'I'll just use Mauser rounds',..or worse, a Tokey round.

05-01-2011, 03:14 PM	#18
TennBill2 RIP Join Date: Feb 2011 Posts: 101 Thanks: 0 Thanked 17 Times in 6 Posts	Mauser chambering Interesting discussion. As I try to get my homebuilt 'Borchardt' ready to shoot, I used a Tokarev finish reamer to finish reaming for the 'Mauser'/Borchardt round. My intent is to wind up with a soft 30 Luger load. To check my work at this point, I've taken Starline Mauser shells and used primers only to test headspace/firing pin....fires fine! Chambers a standard 30 Mauser round nicely...but wouldn't think of firing it. Since I don't know how to duplicate the Borchardt mainspring, tension wise, I'll probably start with an absolute minimal loading to test cycling, and work my way up. I've debated enen using BP so as not to overstress the parts. I read where the original Borchardt had a terrible recoil......all the way to Ron Wood reporting, here, it was very smooth. Makes me wonder if some guy way back decided, since it fits, 'I'll just use Mauser rounds',..or worse, a Tokey round.