Listing this for a friend and co-worker. Tigard area. Any questions text Sam 503-307-7465 Bushmaster Factory Complete AR15 Upper. It has a 20" fluted barrel with 1:8 twist. Chambered .223/5.56 Leupold 3 x 9 scope BCM Gunfighter Mod 5 charging handle Diamond USA 13.5" Handguard Low-profile gas block installed All factory internals Well less than 1000 rounds through it O-rings on bolt carrier group replaced Bushmaster RTG Foregrip $700 obo.