Mounts on any barrel by clamping via 4 screws. For aesthetic purposes and to mount a front sight if you want. Thanks for looking, message me with any questions. Tap the pictures to expand and see the whole thing. If I don't reply, please feel free to send another message. Sometimes they don't go through or I miss them. Accepted payment methods are HopUp payments, PayPal, and Cash App. PayPal is preferred. Tap my name to see my other posts!