The 
NUPROL Viper Suppressor
 (Grey, 110mm) is a compact, full-metal mock silencer designed for airsoft replicas and some airguns. It is highly versatile due to its dual-threaded design, which allows it to fit both 14mm clockwise (CW) and counter-clockwise (CCW) barrel threads.
 
Key Specifications
Dimensions: 110mm (11cm) in length and 35mm (3.5cm) in diameter.
Construction: Robust lightweight alloy (full metal) with a grey finish.
Internal Design: Foam-filled with an internal spring to maintain the shape and positioning of the foam.
Thread Type: Reversible 14mm CW and 14mm CCW threads (one thread at each end).
Manufacturer SKU: NSS-02-01-GRY.