• Made for pistol caliber parts
• Derived from the Gibbs Arms side charge upper
• Non-reciprocating side charge latch
• Spring loaded rear door
• Slick side design
• Compatible with GSF, GLF, and CLT9MM lowers
• Does not work with QC5 lower or QC10 keymod handguards

QC10's side charge upper receiver is made for pistol caliber lowers and components. This upper is derived specifically from the Gibbs Arms receiver, this being one of the most popular uppers on the market. The rear door of the QC10 upper helps to reduce blow back into your face. The side charge latch does not reciprocate when you are firing. 

For more info, visit QC10