The Specna Arms Hop-Up TDC Magnus™ rotary chamber is equipped with the innovative Helium™ Flat Hop rubber, which is specially designed for AK replicas. This modern chamber, part of the Specna Arms Prime™ product range, is equipped with a patented Top Down Centre design, which ensures precise and stable adjustment. The kit also includes a silicone Helium™ Flat Hop rubber and special spacers.
