This PAO scope is rated for all firearms, air rifles, rim-fire & centre-fire. This is constructed from high wuality aircraft grade aluminium single-piece 30mm tube with hard anodised finish. This has a Red & Green Illuminated (5 Levels of illumination intensity) (battery included) mil-dot reticle with a 44mm objective lens and includes two-piece, match grade, four-screw 9/11mm high mounts (with arrestor pin). This has a variable magnification, between 3 and 12 times and a side focus parallax focus adjustment 10 yards to infinity and a detachable large (100mm) sidewheel for precision parallax adjustment. This can focus down to 10 yards at maximum magnification and has a high quality, multi-coated emerald green lens and a fast-focus eye piece. This is shockproof, waterproof & fog proof. Nitrogen purged. The turrets are external “Push-LOKtm “ locking, finger adjustable (lockable to prevent accidental adjustment).1/4” MOA. This comes with a protective lens cap set.