ShotKam assembly that can be mounted on all of the following calibers:

The exceptional optical performance of these binoculars is enhanced by the fully multi-coated lenses with phase correction and professional BAK-4 prisms

Beartooth's Recoil Pad Kit is by far the best and easiest way to customize your weapon while eliminating hard-hitting recoil

It's also designed with ease of use in mind and features a waterproof zipped pocket on the back for safe storage of valuables or essential hunting gear

which makes it even more grippy

ShotKam Montage Style:410 ShotKam assembly that can beShotKam assembly that can be mounted on all of the following calibers: Assembly 12 above below = Shotgun caliber: 12 and 16 and 20 (this is included with the purchase of ShotKam) Assembly 12 side by side= Shotgun caliber: 12 and 16 and 20 No 20 = Rifle caliber: 3006, 308, 270, 300 win mag, 9. 3x62 (barrel diameter between 17 19 mm) No 28 = Rifle caliber: 243, 6. 5, 8x57 (barrel diameter between 15 16 mm) No 410 = Rifle calibre: 22. lon, 222, 223