Complete Hop-Up Chamber for M4/M16 Replicas

Complete Hop-Up Chamber for M4/M16A Hop-Up chamber made from a durable polymer intended for M4/M16 replicas. The chamber is equipped with a perfected regulation system (knob), which allows for more precise control over the bullet’s spin, thus giving it a more stable flight and increased effectiveness.The set includes a Hop-Up bucking.