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Convert Pre-64 M70 to .375

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21 December 2004, 15:49
Bill Meyer
Convert Pre-64 M70 to .375
I have a customer who wants to convert his pre-64 Win M70 in .30-06 to .375 H&H. I have done this conversion to M1917 Enfields, no problems. I have a new magazine box and was wondering if the magazine opening was lenghtened to the front only, or a little to the rear also. Also the factory parts list shows a different follower, any one have one of these?
21 December 2004, 18:07
ForrestB
Bill, I'm glad you're getting to take on a new project. I think Winchester lengthened to the front only. I hear most consider it a better idea to lengthen some to the rear. This will be determined by which bottom metal you're using. I'd call Jim Wisner about the follower. I think he's still making them.

I'm certainly no gunsmith and have told you all I know about what you're attempting. This might be a good opportunity for you to take the action over to the shop of someone who's done several of these projects and perform the surgery with him looking over your shoulder. This will probably improve the odds greatly that you and your customer will enjoy the outcome.

If you can, post some pictures of the work in progress and let us know how it turns out. We'll all learn more about this together.
21 December 2004, 23:57
eddieharren
Why not just buy my 1938 Mod 70 in 375 H&H? Then the customer would not have to give up his '06.
22 December 2004, 03:47
Jim Kobe
I've got a pre-'64 (post war) H&H length action for sale also and might consider the '06 on trade.

Jim
22 December 2004, 03:57
Gus
how much for the action
22 December 2004, 04:04
Prewar70
Eddie,

I'm interested in your 1938 375. Didn't see an email address to pm you, but let me know the specifics and pics would be a huge help. I would also like to know if the rear bridge has been drilled for a scope mount. I'm in the office all day and will be home later tonight.
22 December 2004, 07:11
Jim Kobe
Email me for price and condition.