SOLD... For Sale Mossberg International SA-20 Tactical Shotgun Semi-Auto. 5+1 capacity 20 ga, 2-3/4" and 3" 20" Barrel Absolutely perfect. Boxed with everything it came with. Very trim, easy handling, and a bunch less recoil than a 12 gauge. And if ya wanted to test fire it first, that could happen at my gun club in Canby. $425. WAYNO. Oregon City.