I used to have my 20" Bushmaster set up with the aluminum free floating handguard and hated it. Just didn't feel right to me, and my M4gery would out shoot it every time. Well, I removed the one piece handguard/barrel nut and replaced it with Colt A2 handguards and all the little necessary parts from Rock River Arms. Also swapped out the front sight base for RRA's gas block with weaver rail. The only specialized tool needed was an armorer's wrench that I borrowed from my local gunstore. Actually, did the barrel re-install right there on the store floor. It was so easy to do everything. Man, I love this set up! Groups are five shots at 100 yds. Each square is one inch (a little under actually). 52gr Sierra bullets w/ 22gr of H322 powder, magnum primers. What do you think?
[img]http://albums.photopoint.com/j/View?u=1527374&a=11560808&p=50142381[/img]
[img]http://albums.photopoint.com/j/View?u=1527374&a=11560808&p=50142383[/img]