reloading 123 grain into 7.62 x 54r ?

The hornady .310 bullets all measured .3115 for me. Diameter wise you will not have a problem using them in 54r.
I used to load berry's plated .310 bullets in 54r. It's a mouse fart load using trail boss powder. Shoots fine and pretty accurate out of my mosin.
 
What is your end goal? High velocity full power loads, or low recoil low velocity?

Might have issues with the SVT cycling depending on what you're doing, but there is no reason you couldn't do what you suggest.
 
They will go bang just fine.

I would use a faster powder, around 3031 speed.

I would initially do a survey in 0.5 gr increments, of very mild to full power, to see if any load was particularly accurate.
 
I'm looking for full power loads , since barnes makes a .311 123gr and 150gr triple shock bullet, I would like to try those, I dont have powders yet, so anything is on the table. I might have to experiment with some 308 bullets in my tikka mosin since it has a tight bore.
 
oldguner said:
I'm looking for full power loads , since barnes makes a .311 123gr and 150gr triple shock bullet, I would like to try those, I dont have powders yet, so anything is on the table. I might have to experiment with some 308 bullets in my tikka mosin since it has a tight bore.
Click to expand...

IMO 123gr is not worth it in 54R full power load. Start with 150 gr and save the 123/125gr for 7.62x39.

Hornady data lists 123gr at 3000~3100 fps at max load for various powder, and 150 gr at 2700-2800 fps at max load. At close range (<300m) it doesn't make a difference from hunting perspective. At longer range, 150 grain bullet would stay supersonic for longer distance due to higher BC. Another advantage of 150 gr is it can closely duplicate the military load, which makes the sight or scope bdc work on your mosin and svt. Also 150 gr can be seated closer to the land which in theory should help accuracy.

My load is 150 gr hornady .312 SP coming out of my pu mosin at 2860fps (and under max load). It can reach out to 600m although the pu scope would hold me back from making consistent hits at that range.
 
I found this on another website, Haven't had a chance to test any of them yet. I wouldn't be surprised if you could run even lighter loads with the gasreg adjusted accordingly.

adjust amount of gas into the piston, I set my to the middle.

IMR4895 works very well in all 7.62x54R loads. Note I do not have Varget and other powders others have used with very good results.

123gr SP, 47gr of IMR4895, standard LR primers, brass cases, no velocity info. Reliable cycles STV-40.

150gr FMJ Albanian surplus, 45gr of IMR4895, standard LR primers, brass cases, 2393 FPS.

180gr Remington RNSP & Chez FMJ, 42gr IMR4895, standard LR primers, brass cases, 2317 FPS.

You will note these are mid powder charges as found in Lyman's manual. reducing powder to starting will usually stove pipe.
Click to expand...
 
Thanks for the info, I think the 123 grains would be easy on a SVT 40. I might have to pull down some 7.62x39 and 54r and swap componites around for Mexican match loads
 
Hello fellow CGNers,

This thread seems relevant to my interest and rather than start another thread going over the same topic, I'd thought I would keep the forums a bit orderly, and not make another thread on a similar topic.

Anyways on to my story and question, so recently i was told by my local gun club that I was not able to shoot the Norinco milsurp ammo (i.e. 7.62x39mm and 7.62x54R) that I had bought earlier due to them being steel core ammunition, which they say will ruin the 3/8" AR500 plates at 100 yards that they have set up at the range. My question is that is it a good idea to take a bunch of 123gr 0.311" diameter lead core loose bullets and then put them into a 7.62x54R case without changing the powder that is already in the 7.62x54r casing? Now I do have to add that the 123gr lead core bullets that I am planning on using, come with a disclaimer that they should not be used in reloads that allow for the speed of the bullet to exceed 1900 fps. I was wondering if the bullet replacements for the 7.62x54R Norinco milsurp cartridges that I have in stock would cause them to go beyond 1900 fps? Will they damage the 3/8" AR500 plates at 100 yards? Is this a good or safe idea? What do I do? The problem that I have right now is that I have trouble selling the milsurp ammunition that I bought as no one seems to want to buy it, and those that do make offers make me uneasy as they refuse to give me their PAL information.

So anyways that is the dilemma that I am currently facing, I look forward to hearing back from you all. Thank you for your time and patience.
 
You must log in or register to reply here.
Back
Top Bottom