Text EIGHT3TWO 7SEVEN6 0EIGHT1FOUR for fastest response. I have a brand new Delton 16in 556 1/9 Dissipator Upper with a true rifle length DI gas system Can come with a primary arms 2.5x prism. Comes with BCG and CH, surplus A2 handguards and the box and paperwork for the prism. Can meet anywhere in San Antonio, $640 cash for everything, $440 with no optic. Slap it on to your lower and it's ready to go.