Making the Mosin Bolt run smoother

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CompMakarov

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Hello,

Does anyone know of a more permanent solution for making mosin bolts run smoother, in particular, that weird (mosin specific) quirk where you have to turn the bolt once to a ~40 ish degree and then some kind of weird ass catch has you turning the other 5 degrees again. I do oil my bolt (and gun in general) before shooting but the effects seems mild in making the gun run smoother, more importantly, it does nothing to remedy that bolt "catching" quirk.
 
Polish all camming surfaces and firing pin, then apply a coat of oil. Assuming your rifle is clean of cosmoline and has no burrs in the chamber, it should be plenty smooth.
 
Personally I found the mosins to have smooth actions. It's just the straight bolt that makes it clunky to operate.

Put a PU sniper bolt body and it's much more streamline.
 
CompMakarov said:
Hello,

Does anyone know of a more permanent solution for making mosin bolts run smoother, in particular, that weird (mosin specific) quirk where you have to turn the bolt once to a ~40 ish degree and then some kind of weird ass catch has you turning the other 5 degrees again. I do oil my bolt (and gun in general) before shooting but the effects seems mild in making the gun run smoother, more importantly, it does nothing to remedy that bolt "catching" quirk.
Click to expand...

Yes, ensure the rifle is cleared of ammunition, grasp the the rifle by the muzzle and locate the nearest large tree. Once at the base of the tree, swing for the stars, apologize to your ancestors for ever possessing such a piece of sh1t and get a Lee Enfield if you really must have a WW2 rifle. ;)
 
Never mind these people, Mosins are good rifles with their pros and cons. If you oiled your rifle and cleaned the chamber, check your interrupter. It may cause tight bolt closure syndrome if it presses hard against the stock. Check your chamber for nicks as well.
 
I'm assuming you probably have a Soviet WW2 era Mosin which were machined pretty rough and are grindy to operate. It doesn't help that the vast majority of Mosins come from this era which is probably why most people think Mosins are crap unfortunately. Mosins can be smooth as butter, just depends where they came from.
 
dimon said:
Never mind these people, Mosins are good rifles with their pros and cons. If you oiled your rifle and cleaned the chamber, check your interrupter. It may cause tight bolt closure syndrome if it presses hard against the stock. Check your chamber for nicks as well.
Click to expand...

I had a couple of mausers of different origins with crappy sticky bolts that i sold. And I have 2 Soviet and 1 Finn all of them equally smooth as glass. All these people bashing mosins.. just ignore them
 
Lapping compound on the cams at the back of the bolt, cycle it a hundred times or so and frequently reapply the compound. It’s not quick method but it is virtually dummy proof and will give you the most organic movement in the end. I believe iraqveteran8888 covers this on YouTube along with everything else you might need to know about working on mosins.

Or as mentioned buy a Finnish model or a pre war era model.
 
MosinMan13 said:
Lapping compound on the cams at the back of the bolt, cycle it a hundred times or so and frequently reapply the compound. It’s not quick method but it is virtually dummy proof and will give you the most organic movement in the end. I believe iraqveteran8888 covers this on YouTube along with everything else you might need to know about working on mosins.

Or as mentioned buy a Finnish model or a pre war era model.
Click to expand...

ha:
Don't use lapping compound on a rifle. Or, if you really must, I suppose a Mosin is the best candidate? Laugh2
 
OkayShooter said:
Personally I found the mosins to have smooth actions. It's just the straight bolt that makes it clunky to operate.

Put a PU sniper bolt body and it's much more streamline.
Click to expand...

I made and fitted me own turn down bolt handles for me Polish M44 and 91/30 Hex Mosin units. I polished the camming surfaces and fitted Huber triggers on
'em as well. They run smooth without any issues fer me.

MOSIN 91-30 sm.jpg
POLISH M44.jpg
 

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I've handled hundreds of Mosin Nagant types of rifles and I've never had one that could be considered tight or rough.

I've seen a few that were bone dry inside and slightly difficult to open\close but they were still operable without much effort.

Maybe the OP is used to singl shot 22rf rifles that require no effort at all to operate?????

I showed a semi auto shotgun to a woman at the Salmon Arm gun show and she complained that the bolt was to difficult for her to operate and took to much effort to overcome the return spring while pulling back on the charging handle. Not at all as easy as her 10-22
 
Painkillers said:
Yes, ensure the rifle is cleared of ammunition, grasp the the rifle by the muzzle and locate the nearest large tree. Once at the base of the tree, swing for the stars, apologize to your ancestors for ever possessing such a piece of sh1t and get a Lee Enfield if you really must have a WW2 rifle. ;)
Click to expand...

Dear lord buddy, calm down.
 
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