Combat Medic 5 Posted August 29, 2007 Report Share Posted August 29, 2007 Hey guys, i went to the range yesterday to shoot my "New" as of 1935 Mosin 91/30 Rifle. its got a pretty cherry stock. my problem though is when i fire a round i find it hard to unlock and extract the bolt i lubed it up with some rem oil and it didn't help. it would extract non fired rounds fine. im using the cheap wrapped in paper ammo 20rnds for $3. do you think its my ammo? i theorize that the brass expands making it harder to unlock and extract the expended cartridge. does this happen to any y'all? Quote Link to post Share on other sites
nalioth 405 Posted August 29, 2007 Report Share Posted August 29, 2007 (edited) It's not the ammo. It's the dried cosmoline in the chamber. Clean it with a brass brush and acetone or some other cosmoline cutting liquid. CLP ain't gonna cut it. Some guys have found they need to put their brass brush on their hand drill to get it all out . . . . This is quite common among the Mosin-Nagant line. Edited August 29, 2007 by nalioth Quote Link to post Share on other sites
ArcFault 4 Posted August 29, 2007 Report Share Posted August 29, 2007 here is the lowdown: http://www.surplusrifle.com/shooting2005/e...tesbs/index.asp Quote Link to post Share on other sites
Hunter78 1 Posted August 30, 2007 Report Share Posted August 30, 2007 +1 been there Use a drill with the cleaning rod and a .410 brass brush with a solvernt to clean it out. once you have fired a few rounds that cosmoline gets baked on. Unfired cases come out fine because all shells expand a little when fired to fit the chamber. Quote Link to post Share on other sites
mccumber1916 1 Posted August 30, 2007 Report Share Posted August 30, 2007 mosin's don't have "real" problems Quote Link to post Share on other sites
kresk 10,063 Posted August 30, 2007 Report Share Posted August 30, 2007 Time to resurrect this: http://7.62x54r.net/MosinID/MosinHumor.htm Quote Link to post Share on other sites
Cobra 76 two 2,677 Posted August 30, 2007 Report Share Posted August 30, 2007 Time to resurrect this: http://7.62x54r.net/MosinID/MosinHumor.htm Quote Link to post Share on other sites
scoutjoe 276 Posted August 31, 2007 Report Share Posted August 31, 2007 Coming from another view point....your numbers all match? I have a '46 M44 that the numbers don't and even after the chamber trick it still was sticky so I ended up grinding just a touch off the one part of the bolt. Now before yall go and get freaked out i'm talking less than 1/32 of an inch. I'll try to post a pic this weekend when I get home of exactly where I took the stone to Quote Link to post Share on other sites
Liquifly 0 Posted August 31, 2007 Report Share Posted August 31, 2007 I have an M44 and never had any issue with it. My nephew fights with his but I think it is because he doesn't slap a Mosin like you need too. I slap up and then slap back...I think some try pulling as they open the bolt. Quote Link to post Share on other sites
G O B 3,516 Posted September 2, 2007 Report Share Posted September 2, 2007 Tight bolt ears should be lapped with valve grinding compound CAREFULLY to get BOTH to engauge the same, and "load share" equally. Quote Link to post Share on other sites
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