I've been working on a Spanish Mauser for bit, making loads, thinking about what to do next. It's currently 22 5/8" from muzzle to bolt face. I've been thinking about cutting it down to 18" and putting a scout scope mount on it. Anyone ever cut one down with good results and still stabilizing bullets? To my eyes, the rifling is weaker near the muzzle and I was thinking maybe cutting it will yield better consistent accuracy.
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Mon Nov 28, 2016 5:16 pm
zombie66
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Location: Spanaway WA Joined: Wed Jul 6, 2011 Posts: 6319
Real Name: Hugo Stiglitz
I haven't cut a barrel down to make a scout rifle, but I've used scope mounts that attach to the rear sight on a few rifles. These are generally used with long eye relief pistol scopes. The fact that the rifling appears weaker at the muzzle means that the rifling is probably worn from cleaning from the muzzle end instead of the chamber. Cutting a few inches off the muzzle and re-crowning can often improve accuracy in rifles like these.
Yes, I'm planning on getting the S&K mount and skip the machining. I'm just wondering, would it make it worse? I'm expecting a loss in velocity but, I'm already over 2400fps 160gr SGK and no where near max.
In my early home gun smithing days, I cut down a Turk Mauser. Hack saw, Filed squared, honed with a wet stone then touched up the rifling with a brass, slot head screw and some fine lapping compound. I drilled and taped the barrel for a new front sight and the receiver for a receiver sight. Lots of work to the stock to. But when all was done I could pop the center out of a clay pigeon at 100 yards. I would not think you should have anything to worry about if you choose to cut down that barrel.
Mon Nov 28, 2016 7:42 pm
dreadi
Site Supporter / FFL Dealer
Location: Tacoma, Washington Joined: Fri Nov 21, 2014 Posts: 8411
He had a Mosin that was cut down and a long relief scope on it (if my memory serves me correctly)
I don't know if it's an accurate comparison to your Mauser, but I did cut down a Mosin to around 17" for a scout rifle. Accuracy is about as good as can be expected from an old com bloc weapon. It regularly shoots 1.5" groupings at 50 yds on surplus ammo and I never bothered to recrown the barrel.
A cool thing about Mosins is they have a small dovetail rail under the rear sight base. It's pretty similar to a .22 dovetail rail and will accept conversion mounts like this https://www.amazon.com/SNIPER%C2%AE-Pic ... AM33ZQJEEQ
I know it looks stupid/chincy but I have a similar mount on my mosin and it hasn't budged in hundreds of rounds. Maybe you could research whether or not the Mauser's have a similar dovetail under the rear sight. I have a micro red dot mounted currently but I've seen guys have great success with long eye relief scopes mounted on those bases.
Well I'm ready to jump all in it now. Just need to barrow a barrel crowning tool....or else I'm spending more than the cost of the rifle on a tool that I'll likely not use for many years to come.
I currently have the Mauser torn down except the bolt, and there's no notch under the rear sight. It's a pined in leaf that goes up like the shoulder thing on a Mosin caliber clipozine.
Having just purchased iron sites, my advice is to keep the site around, or sell it, or PIF it.
_________________ I defend the 2A. US Army Combat Veteran and Paratrooper: OIF Veteran. BSM and MSM recipient. NRA Lifetime. Entertainment purposes only. I'm a lawyer, but have not offered you legal advice.
Mon Nov 28, 2016 9:48 pm
Rix86
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Location: Shelton Joined: Sun Nov 17, 2013 Posts: 5838
Well I'm ready to jump all in it now. Just need to barrow a barrel crowning tool....or else I'm spending more than the cost of the rifle on a tool that I'll likely not use for many years to come.
I currently have the Mauser torn down except the bolt, and there's no notch under the rear sight. It's a pined in leaf that goes up like the shoulder thing on a Mosin caliber clipozine.
The mosin rear leaf site is also pinned in. Some people report that removing the pin is a breeze, some people start with a torch and end up on a drill press.
Great Project dreadi. I normally don't care for sporterizing old Military rifles, but hey, it's just a Spanish Mauser. Hack that bitch, dress the muzzle and go for a clamp on mount with EER scope. I have personally used the Darrell's mount mentioned above and it worked great. I had it on a Finnish M39 with no other modifications and it was a Tack driver as well. Most Scout mounts are clamp on and don't alter the weapon so it can be returned to issue status. Sounds like a cool project.
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