Stevens Model 311 20 Gauge
Webstevens 311a 20 gauge shotgun. Desirable early 20 gauge model with walnut stock, 28” barrels, and case colored receiver. Webstevens model 311 20ga double barrel choke mod & full length 28 stock tenite forearm and butt stock. Websep 13, 2009 · i have a stevens 311 series h 20 ga. W/26 barrels i'm not sure what the chokes are.