Attach your ShotKam to any 20 Gauge barrel with this additional mount. The aluminum mount is lined with rubber pads which provide a firm grip without leaving marks. There is no metal-to-metal contact.
This camera accessory also fits the following rifles: 30 calibers, .300 win mag, .308, .30-30, .338, 270, 30-06 (7mm), 9.3 x 62mm, 9.3 x 74r express rifle. - Specification for 20 Gauge mount: 18mm to 21.5mm barrel width at the location where your ShotKam will be mounted.
Rifle dimensions can vary so please measure the width of the rifle barrel at the location where your ShotKam will be mounted. Use a digital caliper to measure your barrel.
NOTE:Every ShotKam Camera purchase automatically includes a 12 gauge quick-release mount. All additional gauge mounts are not available in quick-release form.