Guns need attachments and the Umarex Picatinny rail accessory can take them. It is the right rail for the Walther 1250 Dominator and the Hammerli 850 Air Magnum. It has sturdy metal construction and mounts easily to afford a wider range of accessories.
Specifications and Features:
Fits the Walther 1250 Dominator, and the Hmmerli 850 AirMagnum