A shotgun has other advantages... its cheap, its silent, some of them are small and very light. The 3-shots are like firing a short burst from and AEG every shot. If you play against kids with hi-caps, yeah, you might be outgunned, but in more serious games with ammo restriction, a shotgun will do just fine. I've often shot people from rather short ranges with a 3-shots shotgun and they couldn't even tell where it was coming from.
With that said, the A&K is a single shot shotgun. As far as I know its a clone of the Maruzen/G&P. Feedback on them isn't so great, they are not as durable as their G&P counterpart. Also, this shotgun doesn't have sights, yet its shooting over 400 fps, so you have a sniper rifle minimum engagement distance but none of the accuracy. You might be better off getting a cheap plastic 3-shots, or if anyone can get them in country, the new Cyma full metal 3-shots M870 shotguns.
Keep quiet. Sound travels faster than BBs.
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