By preventing unwanted light from entering your eye the, scope image appears much brighter - this can add up to 20 minutes shooting at dawn or dusk.

The extension also helps to keep your eye in the same position, increasing accuracy by limiting parralax error.

Flexible rubber design - fits 99% of riflescopes.

Internal diameter 34mm

Available in 60mm 90mm and also an angled version which cups around your eye obliteratingexterior light this scope accessory forces the eye to adjust to obtain the maximum amount of light through the scope. Tests have resulted in extended use of twilight by up to 15 minutes. Suitable for spectacle wearers and most scopes.

60mm is the most popular size as it generally gives the best eye relief for the scope.

Can also be cut down.