Air cylinders and tactical air gun accessoriesFeatures:- Allows the use of 12g CO2 capsules instead of 88g- Great for shorter shooting sessions- Conceals within forearmSpecifications:- Brand: HmmerliUMAR_225-1007Picatinny Rail Accessory for the Hammerli 850 AirMagnum & the Walther 1250 Dominator. Allows for the addition of scopes and other accessories. Easily installed.Features:- Easily installed- For Adding Scopes and Accessories- Compatible with Walther 1250 Dominator air rifle- Compatible with Hammerli 850 AirMagnum air rifle