http://img89.imageshack.us/img89/411...2027qi6iq3.jpg
Here's my Bushmaster "M4A3" carbine.
Upgrades? Can't really think of any. Maybe furniture. None of the optics really interest me and I actually like the A2 sights.
Gonna get more magazines soon and no military-style rifle is complete without a bayonet. Maybe one of those cheap M7's.

