Quote:
Originally Posted by KENCITO18D794
I have a Krinkov, and it was built bu a guy who allegedly knew what he was doing. It was brand new, and the bolt carrier likes to stick right behind the ejection port. Do I need to oil the piss out of it, and just burn rounds through it or what????
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This could be several items and I would suggest you get to the maker or someone that has some experience,, but I'll offer suggestions:
1)BAD,, barrel out of alignment, you can try to put a 24" steel rule in the notch of the rear sight and balance it on the front sight post,, should be fairly easy to spot,, almost impossible to fix..
2)semi-bad, the rails in the receiver are not aligned properly,, take the bolt & carrier out and look for un-even ware in the inside rails,, it's probably going to be near the mag port,, if in doubt,, take it back to the builder. NoDacSpud had a batch of receivers, a couple yrs ago that need a little TLC wit the dremel (c # 4)
2)not bad,, gas piston hanging in the gas tube,, Take the upper hand guard off and check both ends for concentricity in shape,,, may need a little fitting, while your there check the gas port for clogging with a pipe cleaner and solvent.. (c # 4)
3)semi-easy,, a lot of builders change out the original gas piston for a USA part to be 922r compliant, check to see that the piston and carried align and are tight. If not, you can tap out the pin and replace with a 3mm chunk of nail, peen both ends.
4)very easy,, you need a couple hundred rounds to seat the action,, but before you do that a trip to the builder to get his take on it would be good...
5)no-brainer,, springs are warped or shot and do not have enought push to get the bolt past the hammer,, replace recoil spring(s)..
6)other,, the hammer may be sticking up and dragging on the bolt and/or the recoild spring may be to strong or (c # 4)
Good Luck,, and let us know how you make out with the RPK and/or the RPD..
On the mags,, I have seen RPD's with drum mags,, so the belt is not the only answer..