Okay - I wasn't sure. However, on the full-auto GBB's like the M11, won't going full-auto actually LESSEN the velocity? In my experience it does because of the properties of hfc22/Green Gas and the "cool-down" effects of rapid shooting. Thus, if you fire in semi, your first shot may be in the 320 range, wait a few seconds and your second shot will probably be in the 310-315 range and so on... whereas if you fire full auto, that first BB will still go out at 320 FPS, but the subsequent shots will drop in velocity very quickly because of the lack of "warm back up" time between shots thus reducing the velocity of follow up BB's in the full-auto barrage.
Here's my thinking - most GBB's fire at around the same velocity - that is - pretty much all of them fire at 280-320 FPS with Green Gas. Now, the NBB's (KJW MK1 and Digicon, etc) and GBB's with extended barrels (like the Prokillers) all fire in the 400 FPS range with green gas. We should probably not allow the NBB's and extended barrel GBB's for CQB unless they use hfc134a - and even then chrono them to make sure.
Personally, I think an M11 or micro-UZI GBB going full auto in CQB would add "ambience" to the festivities. [:p]