Q Sugar Weasel, Complete Upper Receiver, 300BLK, 13" Threaded Barrel, 1/2X28, Carbine Length Gas System, Matte Finish, Black and Tan, Free Float M-LOK Rail, Adjustable Gas Block, Does Not Include Bolt Carrier Group ACC-SW-300-13IN-UPPER Available to order on-line. Ships in 5-14 days $1,125.00