45 ACP Mauser

I’ve looked at those and think it would be a lot of fun when it gets working. What magazines do the use again?

would make for a great suppressor host for some quiet plinking/pest control.

I've always been curious as to doing one chambered in 45 Win Mag. (basically an ACP only a bit longer loaded up to 44 mag pressure levels)

Then you have something similar to 38 Spec and 357 Mag...spec it out with a nice 16"-18" threaded barrel.

I had one in a 10" contender barrel and it was an interesting caliber. I THINK Winchester still makes, or at least did make, ammo and brass still. I've heard in a pinch you could take 308 brass and trim it down and neck turn it but never tried since you can get it from Starline.

D

Rhineland Arms makes several 45ACP conversion kits. They use 1911 magazines.

https://www.troupsystems.com/product-category/45acp-kits/

I know some have used the Rhineland Enfield kits to make De Lisle clones.

It could be interesting but I think were I to go that route, I'd build a De Lisle with some historical significance.

I guess that the cool thing about the Mauser route would be a suppressor that one might use on another platform.

Mausers that have come my way have always seemed to cry for classical calibers.

Todd.

I remember seeing someone building a 45 acp Mauser in a magazine some years ago. Can't remember which.

GRIZ22 said:

I remember seeing someone building a 45 acp Mauser in a magazine some years ago. Can't remember which.

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It was a 2-part Reid Coffield series in Shotgun News -- he called it Building the Carbine That Never Was. He used a Rhineland kit and a large ring Spanish Mauser. Looked pretty neat to me!

SGN did a recap of the project in a special Mauser issue (which I have around here somewhere) and a second time in a gunsmithing project review. I think they even offered it on a DVD ROM at one point, but good luck finding a copy now.

I looked into it a while back. Some of these kits are marketed as almost DIY but can can take a bit of expert gunsmithing to really get them working. Check youtube reviews, about 20 vids I saw almost every guy still had problems really nailing feed and ejection. The fella would be happy he got it firing, but still have to pick cases out of the action occasionally..

The original deslilse carbine style was more reliable, but a major action job. Bolt is shortened, barrel set back into the action, basically turns it into a 45acp length action. Very slick and short bolt throw. Requires permanently modding 1911 mags , they wont fit in pistols after. Also the action work means sticking to 45acp pressures to be safe.

Some of the kits you can make more use of the original actions strength and run them hotter. Starline sells 45 super brass which is higher pressure version of 45acp with same outside dimensions. You can run it like a poor mans 44 mag.

Springfield Armory (the REAL one) did a few experimental .45 ACP conversions of low-number '03 receivers to try to get some use from them. The concept proved workable, but never went into series production. Always thought it would be cool to have one!

I did one awhile back. It is in a new stock now. I still have not gotten it to run 100% - you still have to work the bolt with authority, and if you load more than 5 rounds in a mag they tend to nosedive. I think a feedramp would solve this issue, just haven't done it yet.

https://www.thehighroad.org/index.php?threads/new-rhineland-45-mauser-build.814930/

NIGHTLORD40K said:

Springfield Armory (the REAL one) did a few experimental .45 ACP conversions of low-number '03 receivers to try to get some use from them. The concept proved workable, but never went into series production. Always thought it would be cool to have one!

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Ditto! Here's the pic from Hatcher's Notebook:



I guess they had this set up as a single shot, which would be just fine with me too.

A guy here had a .45 ACP Mauser built.
After a while he concluded it wasn't doing anything he needed better than a .22 would, so he quit messing with it.

Hank.

Numerich used to sell a 16.5 inch .45 barrel and a slab wood stock mounted on a mainspring housing for just that.

Someone told me that extra barrel length and weight made them sluggish with anything short of near max loads and that they had to be kept very clean.

-kBob