Bushmaster Retro HBAR Upper – 5.56 NATO – 14.5 BBL – AR15 AR – A2

This is a no reserve penny auction for a Bushmaster Retro fixed Carry Handle Upper Assembly in 5.56 Nato. This upper is in excellent condition with a pristine bore! Crafted from premium 4150 CMV barrel material with a Salt Bath Nitride finish, this 14.5" barrel boasts a twist rate of 1:9 and a barrel thread pitch of ½" x 28. The assembly also features a carbine-length gas system, and 7075 forged A2 upper receiver. Other features include a mil-spec charging handle, and complete BCG with bolt carrier made from 8620 Steel SBN and bolt made from 9310 MPI SBN.

Please NOTE the muzzle device is not pinned and welded.