300 acc blackout upper. With 136 rounds of subsonic ammo to go with it. 100rds are reloads I purchased at a local gun show.  I bought it to play around with and decided to go a different route. 
upper sells for $220. Ammo alone is over $200 also Comes with the 4 bands to put around your mags and upper to help identify them. 

BCA AR-15 complete 300 Blackout rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle.