Home / Guns & Firearms / Shotguns / Pump Action Shotguns / MOSSBERG FLEX 500 12/28 3″ BL/SY # MOSSBERG FLEX 500 12/28 3″ BL/SY #$523.59 MOSSBERG FLEX 500 12/28 3″ BL/SY # 4 in stock MOSSBERG FLEX 500 12/28 3" BL/SY # quantity Add to cart SKU: BILL|MOSS 50121 Category: Pump Action Shotguns Tag: Online Only Brand: MossbergProduct ID: 4820 Related products SAVAGE ARMS 320 SEC 12/18.5 BL/SYN 3″ $159.70 View Details Savage Arms Stevens 320 Turkey Thumbhole Stock Shotgun 12 ga 3″ Chamber 5rd Capacity 22″ Barrel OD Green Stock $303.51 View Details SAVAGE ARMS 320 SEC 20/18.5 PISTOL GRIP $249.55 View Details SAV STEVENS 320 FIELD COMBO 12GA 18.5 & 28 $279.47 View Details