this should go in the 3D model topic here
http://forum.blockland.us/index.php?topic=61695.0main criticisms and tips:
-the end of the bolt mechanism clipping into the stock is unsightly.
-the triggerguard is a bit of a mess; use a rectangle to start it, and extrude.
-the magazine shouldn't be the same width as the stock, and should instead be the same width and in-line with the trigger guard.
-where's the trigger yo
-make the barrel circular rather than an oval, same with the ring sight.