PSA AR-15 UPPER 5.56 16" CARBINE-LGTH 1:7 Low round count I literally put 10 rounds through it. I test everything i order off line when I get it that is why there was ten rounds through it. Other wise it has sat in the safe I bought it for a build and never ended up doing it I already have a lot of toys lol It is in great shape price 150 cash pick up Leander Tx