Precision and accuracy in a CQB environment...
I'd think that you'd want to be more maneuverable first.
Anyways, .25's are fine for CBQ, hell it's probably better to run .20's on a 1J spring.
OP: Keep in mind you'll need your rifle to shoot at 350 or below for CQB arenas (330 FPS recommended).
ಠ_ಠLess QQ more Pew Pew
READY TO >> RACE