Complete AR in 450 Bushmaster. 18" Bear Creek Arsenal upper on an Anderson lower with Anderson parts kit with 4# trigger springs and over travel take-up bolt to reduce trigger over travel. Comes with 100 rounds of factory ammo in various bullet weights, 100 new starline brass cases, and a complete set of lyman reloading dies. Also included is 4x 5 round magazines specifically for 450BM, not repurposed from another caliber and 800 Hi-Tek coated 300gr flat point bullets from Missouri Bullet Company, 2 boxes @ 400 rounds ea.