The Q LLC Sugar Weasel 300 Blackout 13" Upper Receiver offers a sleek and efficient design tailored for precision shooting. With its 13-inch barrel and a 1:5 twist rate it provides optimal performance and accuracy. The Jumbo Shrimp silencer utilizes the innovative Quickie FastAttach system catering to those who prioritize a compact and lightweight setup. Constructed entirely from titanium and fully laser welded it ensures durability without adding unnecessary bulk. The absence of an outer tube allows for increased internal volume while the standard size wrench flats on both ends facilitate easy installation and removal. This upper receiver is perfect for shooters seeking a streamlined and effective solution.