Zan make slugs rather than diabolo pellets, and the two behave differently downrange. A slug carries a higher ballistic coefficient, holds velocity further and drifts less in wind, which is why they have taken over long-range airgun shooting. The catch is that they need a barrel with a fast enough twist rate to stabilise them, and not every barrel cut for pellets has one.
The range covers Hollow Point, Hyper Line and ELR profiles from .177 through .20, .22, .25 and .30 up to the big-bore .303, .357 and .457, with Lead Free options in the smaller calibres and Fat Boy pellets in .25.
Buy a Slug Sample Box first. Slug performance is barrel-specific to a degree pellets are not, and a sample box lets you find the weight and head size your rifle actually shoots before you commit to a full tin. The pellet sizers, in .177, .22, .25 and .30, bring an inconsistent batch to a uniform head diameter, which is often worth more than changing brand.
The projectiles themselves are unrestricted. In Scotland an Air Weapon Certificate is required to buy, use or possess the air weapon they go in; elsewhere in Great Britain the position is 18+ and below the statutory power limits. Note that big-bore rifles above those limits are Section 1 firearms and need a firearm certificate.
See Airguns and Airgun Accessories.
