Franchi Affinity 3 Mossy Oak Bottomland 20 Gauge 3in Semi Automatic Shotgun – 24in. Franchi Affinity 3 Mossy Oak Bottomland 20 Gauge 3in Semi Automatic Shotgun – 24in - Designed from the ground up to provide optimal comfort in any shooting position. The Inertia Driven system employed in the Franchi Affinity 3 and 3.5, affords these shotguns a lighter, slimmer profile for better handling. With no heavy gas cylinder under the forend, Franchi Inertia Driven shotguns balance and swing like a fine gun should. Chambered for the use of 3 in. and 2-3/4 in. shotgun shells.