WTS Rainier Arms 16" 1/8 Twist .223 Wylde Shilen UltraMatch Stainless Barrel, M4 Feed Ramps, Complete Upper with BCG/Bolt/Charging handle. Barrel and upper have been Dark Earth GunKote by Rainier Arms, Wilson Combat TRIM Free Floated front hand guard 10.4" with Surefire Brake. Low Profile gas block pinned and all work performed by Rainier Arms. Round count 2,000 of factory 55-60 grain ammo. $1220 shipped OBO. Groups are two separate with different points of aim fired today with 60 grain Nosler Ballistic Tips. Best for me are PMs.