Originally Posted by mjkeat
Its probably as simple as swapping the buffer thats in your rifle for a lighter one. What buffer do you have in your rifle right now?
Agreed. If you have a heavier buffer, the lighter recoil Russian stuff might not be able to propel it far enough strip the next round. The Winchester seems to get it done fine.
Inside your buffer there are small weights, which can be changed out, to vary the weight and can help the reliability of your weapon depending on the ammo that you shoot the most often.
That is why you see people just make the statement "I haven't had any problems since I swapped mine for a 9mm buffer" and people advocate doing it without understanding why.
I don't recommend doing it unless you are going to be shooting a lot of low pressure rounds. Like in a Meth lab entry gun for example.