MFS in M-14?

i shoot the czech surplus 308 from my m14 all the time, being corrosive i clean it after each range outing so don't notice really how dirlty it is, the barrel and gas system comes clean without any major issues.....
 
Just got home from a range day. After zeroing in at 100m with my new m305 I was getting a 2 to 2.5 inch solid groupings with Winchester 150 grs. Two boxes of Winchester later I picked up a single box of MFS and noticed it grouping 4-5 inches at 100m. That's quite a huge jump considering that 5 moa at 300m is 15". Maybe fine for hunting, but definitely not for target shooting. Now I'm left with the painful task of cleaning out carbon baked onto the gas assembly.
 
Just got home from a range day. After zeroing in at 100m with my new m305 I was getting a 2 to 2.5 inch solid groupings with Winchester 150 grs. Two boxes of Winchester later I picked up a single box of MFS and noticed it grouping 4-5 inches at 100m. That's quite a huge jump considering that 5 moa at 300m is 15". Maybe fine for hunting, but definitely not for target shooting. Now I'm left with the painful task of cleaning out carbon baked onto the gas assembly.
And yet I wonder why I even speak???
Brake clean will be your friend in this task plus dip some laquer thinner on your brass brush and make sure to scrub the front face of the bolt to get rid of that red cr@p.
 
the krieger barrels i've shot the mfs through grouped very well.
the nork barrels.... about average for surplus ammo.
MFS cycles well and goes bang every time. I clean things after every trip anyways so corrosive or not doesn't bother me.
my favorite of the bulk ammo, when availlable, is norc green box 308
 
And yet I wonder why I even speak???
Brake clean will be your friend in this task plus dip some laquer thinner on your brass brush and make sure to scrub the front face of the bolt to get rid of that red cr@p.

Haha. Can you really blame me? At the price it was selling for I was willing go by the philosophy of "don't criticize till ya try". So far that philosophy has resulted in an arsenal of norinco happiness. At least now I know for sure that I wont be purchasing MFS in 308 from here on in.

As for cleaning... laziness settled in and I just dumped my bolt into the bottle of BreakFree on my desk to soak over night. After a wipe down and good blast of compressed air, its looking new again.
 
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