Reloading for Mosin


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Old 06-07-2012, 10:01 PM   #1
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Default Reloading for Mosin

Just curious how many of you reload for the Mosins?

I finally got all the stuff to start on my 91/30 "PU sniper"

Couple questions, What size bullet are the turrets calibrated for on the PU scope? Ive read a bunch and getting a 50/50 split between 150 Gr. and 180 Gr, so what is it? I would really like for the graduations to be correct..

What kind of loads do you guys use? What comes closest to replicating the military rounds? Whats more accurate?

I plan on using RL-15, S&B brass, and I got both 150 gr (.311) & 174 gr (.3105) Bullets...



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Old 06-08-2012, 01:45 AM   #2
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The 147 gr. spitzer bullet was adopted around 1908 and the majority of old original PU scopes are dated in the 40's it pretty safe to assume the 147 to 149 gr. bullets should be fine,there are plenty of 150 gr. bullets that should work as well. You just have to adjust your turrets back to zero once your get the rifle sighted in that should make your incremental adjustments correct.

I shoot RL-15 Win. primers and either PPU or Win./S & B brass. For J bullet I like several,mainly the Hornady,Sierra and PPU 150 gr. bullets I just work the load up to be the most accurate with each bullet.

My favorite load and the one I shoot most is the Lee 165 gr. gas check cast bullet and 16.0 grs. of Alliant 2400 or 13.0 grs. of Alliant Red Dot.

Sighting in a PU Sniper
http://www.mosinnagant.net/sniper%20section/mosin-nagant-sighting.asp



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Old 06-11-2012, 01:50 AM   #3
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None of my books have data over 2500 fps, but the military is loaded to 2800 fps... Is that going to make much difference?

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Old 06-11-2012, 04:35 AM   #4
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Not sure i will have to check my load data. If you dont have an answer by tomorrow afternoon i will look it up when i get home tomorrow

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Old 06-14-2012, 04:32 PM   #5
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None of my books have data over 2500 fps, but the military is loaded to 2800 fps... Is that going to make much difference?
I just noticed that the test rifle in the books is a M44 carbine... Will I get more velocity out of a 91/30? What wold be the difference in velocity between the M44 and 91/30, using the same data?
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Old 06-14-2012, 04:46 PM   #6
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I just noticed that the test rifle in the books is a M44 carbine... Will I get more velocity out of a 91/30? What wold be the difference in velocity between the M44 and 91/30, using the same data?
Yes it will be substantially different since the m44 is a muuuuuch shorter barrel. Difference is between 100-200 fps per inch rough average guesstimate depending on powder burn rate being used

Remember the mosin is designed for 311 bullets but some get good accuracy with 308. Its worth trying since you can sing hallelujah if your lucky and get one with a tighter bore. More bullet options open to you.

None of my four shoot 308 well at all. Not 308 nato just the 308 bullets in 7.62x54r cases.
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Old 06-14-2012, 05:17 PM   #7
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Looks like the M44 has a 19.5 or 20" barrel as opposed to my 91/30 with a 28" barrel? I will be using RL-15... Would you have a approx. guess to how much more velocity I would get?

(excerpt from a powder burn chart)
72. IMR 4320
73. Norma N-202
74. VihtaVuori N540
75. VihtaVuori N140
76. Alliant RL-15
77. Hodgdon Varget
78. Hodgdon H380

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Old 06-14-2012, 07:12 PM   #8
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Ive got a couple of load books with x54r data ill take a look tonite. Im not sure about exact burn rates since that doesnt matter tooooo much i just take a look at the ratio of powder charge to speed. The less powder it takes to hit a certain speed the faster the burn rate.

Faster rates tend to but not always do better in shorter barrels.



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