Is this gun using their new-fangled plastic mechbox? Just wondering if there is some kind of lateral loading being placed on the mechbox by the upper receiver. This may be adding some resistance to the piston as is moves in and out of the cylinder. Just a thought.
Age verifier Northern Alberta
Democracy is two wolves and a sheep discussing what's for dinner.
Freedom is the wolves limping away while the sheep reloads.
Never confuse freedom with democracy.