I have both a rush12 and 24. The 12 is probably as big a bag as I'd want to bring ONTO a field unless you're doing a real 3 day game where you need overnight gear, rain gear and possibly a change of clothes, but very rarely will you ever do one of those games, so any basic pack will serve those needs.
I have brought my 12 onto the field maybe 3 times in 4 years of playing. You really don't need to haul that much shit ONTO the play field. Only when you will be isolated from the safezone at a far end of the field will you really need it. Even then you can hide and store enough stuff in pouches and pockets to get you through most of a game day.
I just got my 24 so I haven't used it at all yet. But basically all these bags do is bring stuff from the car to the safezone so I have easy access to gas, bbs, snacks, electrolyte supplements or drink mixes, basic tool kit, mask, goggles, gloves, bugspray and an extra battery or two.
The 12 is just about 2 inches too short to put a p90 into, and that would be my only complaint, if it were 2-3 inches taller, it would be a perfect size. The 24 is cavernous in comparison. The 12 carried almost everything I needed in consumables plus a bit more. I got a 24 only because sometimes I need a bigger bag, and the 12 was doubling as an airsoft go bag and my normal traveling pack. I got tired of picking BBs out of it, so I got the 24 to serve as an airsoft only pack to free up the 12 to use as a day pack.
The 12 has served me as a carry-on/day pack for 2 trips to japan, and I was able to pack a lot of crap into it from my luggage on the way back in order to make space in my suitcase for all the crap that I bought. lol.
If you're going to wear it around, a 12 is a great size. If you need to haul a lot of shit but get to dump it somewhere, a 24 is good. I can probably fit a folding mp5 or my p90 into the 24 with a vest/rig and have room for all my consumables.
__________________
I futz with V2s, V3s and V6s. I could be wrong... but probably, most likely not, as far as I know.
|