Neil,
Those grips are lovely, I'm a sucker for the Hogue Wraparounds though

http://i135.photobucket.com/albums/q...s/PICT0583.jpg

I'm getting 3 mags at 18 shots per mag, that's 54 shots from a gun with some serious blowback going on
I suppose compared to non-blowback BB guns it's gas hungry but compared to most C)2 pistols it's not bad, and more fun!
ATB,
Nick