18" 1/8 Saturn Spartan profile fluted barrel
Adams Arms gas piston system
Mega Arms Billet Monolithic Upper Receiver
Troy Rail covers
100 123 grain Hornady Amax rounds.
41 120 grain Match rounds.
30 123 grain Match rounds.
7 C Products 25 round magazines (3 still in plastic)
1 C Products 5 round Magazine.
The upper has 29 rounds through it, it shoots extremely well and seems to favor the 120 Grain rounds. The last time I shot it it grouped at just over 1/4" at 90 yards, allowing me to win in a hasty competition for group size among friends.