I have done a TON of research on this gun in the past due to the fact that I just recently puchased one. You guys should make sure you are not leading him astray with false information. The G&P CQB-R is a new version of G&P guns. The older G&P M4's had some reliability issues with the tappet plates and occasional feeding problems. The new version guns (i.e. the CQB-R) have solved all these problems. I have already opened up the gearbox. The older versions used to be shimmed poorly and have hardly any grease at all on the gears. My CQB-R was shimmed damn near perfect and came with ample amount of grease on it. The issue with the tappet plate has also been addressed. I put a sp120 (around 410fps) in it STOCK. The internals of this gun are quite solid and could easily handle an even higher spring that what I put in. Dont be turned off by these "reliability issues" everyone speaks of. They are for the old G&P M4's, NOT the newer CQB-R.
However, I do agree that the CQB-R is quite a gun for a new player. Maybe start with a basic Tokyo Marui gun and work your way up :-D
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