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project Mosin Accuracy

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project Mosin Accuracy

Postby rjmt » Sun Oct 29, 2017 9:08 am

built this rifle several years ago:
'31 Ishevesk Hex
reproduction PEM scope mount
reproduction PE scope
timney trigger
floated barrel, shimmed and torqued
used a Smith Sights accuracy kit

I was dissapointed with the original accuracy for all my work with PPU match ammo. This week, I tested 6 different brands of ammo and found LVE 200 gn match ammo shot the best out of this rifle, but Brown Bear 174 gn FMJ was close at half the price. This specific rifle just does not like PPU ammo.

this target was after 3 warm up shots, then 5 for record
at 50 yds. The flyer was my fault, I flinched in expectation of the recoil of the heavy rounds. Hope to get to a longer range soon for long range testing.

also, the Brown Bear lacquer cases cycled smother than LVE brass match ammo

RJMT
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Re: project Mosin Accuracy

Postby Grimstod » Thu Nov 02, 2017 5:09 pm

I am digging that PEM man. Would love to have one. Someday I will build a repro but I am going to put a brand new barrel on it. Have you tried hand loads yet? They will really bring out the best in any mosin. Handloading is the biggest way to improved accuracy in a gun.
"We are what we repeatedly do. Excellence, then, is not an act, but a habit."
Aristotle
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Re: project Mosin Accuracy

Postby rjmt » Fri Nov 03, 2017 4:58 pm

I wanted to see what accuracy I could get out of a Mil Surp Mosin barrel. I've read reports of the original accuracy, but that was 80 years ago when these rifles were new. I do have a Sniper Select from Tula, but have not worked with it yet. Even the Finns found the Mosin snipers they captured to be so accurate, they never developed their own sniper off the fabulous M28 (have one of these also with a Sig barrel)

I bristle up everytime someone tells me how inaccurte a surplus Mosin is. Even my stock rifles still shoot to the original Soviet specs with Brown Bear ammo.

based on the accuracy with this rifle, I don't know that I'm good enough to get the advantage of custom barrel and hand loaded rounds
The LVE 200 gr really show the accuracy of these old Mil Surp Mosins

now, I also own a custom barreled NM M1 Garand, and this 80 year old Mosin will outshoot my Garand any day of the week!!

rjmt
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Re: project Mosin Accuracy

Postby rjmt » Fri Nov 03, 2017 5:12 pm

I'm starting a new project with this rifle this weekend.
The PEM scope mount was one of the first quick detach mounts developed. I have a second mount that I will mount a modern target scope in, then lap it into this dovetail. that will allow me to quick switch from my vintage style scope to a modern target scope.

will let you know how it turns out

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Re: project Mosin Accuracy

Postby holescreek » Fri Nov 03, 2017 8:11 pm

PPU 54r match ammo bullets are only .310".
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