Loaded

I'll give you a critique -

First - Love the rim light on the model's right - BUT - the wall texture is too much, open the aperture up and fade it out more - it give more of a mysterious light source.

Second - The contrasty muscles are hot - very cool - but if it were me, I would soften the light a bit, feather it more evently across the back - and perhaps a bit higher to the shoulder muscles and hair - But i know that you need light on the gun - SO

Third - the implied shape on the 1911, and the finger nails is great - I would say next time 2 lights (now that you have them - one high for the shoulders) one lower for the gun and cheeks - seeing the barrel split the cheeks would be good - symmetry i suppose - and it would also soften up the panty line.

That how i would do it...But overall - i like this shot a lot! Give me some great ideas!