You're right a lot of the edges are too sharp but at the same time it feels like its made of plastic not metal if I don't make them sharp enough. And yeah not sure what rdmlegend was getting at since this is a highpoly.
This could look awesome with some busted up chips and dents on those hard metal edges. reminds me i have a land raider that i really should finish :) One critique i would give is all your edges are very sharp, your not really going to get a lot out of the normal map that way.
Added lots of new bits and bobs to it, at this point mostly making it up based off of reference from real guns, other bolters, and nerf weapons. Inset the bolts on it and gave some attachment parts to make the top ironsight thingy feel like it is a part of it. Didn't know what the circle on the back was supposed to be but…