Cartridge situation deflector enables effortless Procedure in each right and left handed taking pictures positions for increased tactical apps I have not selected a flat top or A1 (with no FA and deflector). I'm thinking a sixteen" flattop, in addition to a ten.5" with carry handle like yours. I've two https://colt-smg-upper73962.tribunablog.com/the-colt-smg-upper-receiver-diaries-40887370