Home / Shotgun / Mossberg 500 12/20 3″ MOOB ADJ STOCK You cannot add "TriStar Sporting Arms VIPER G2 SR CPT SPRT 20/26 BLU" to the cart because the product is out of stock. Sale! Mossberg 500 12/20 3″ MOOB ADJ STOCK$77280 $65739 Out of stock SKU: 53265 Category: Shotgun Product ID: 57009 Description Description Vent RibPistol GripForend With Strap Related products Sale! Savage Arms RENEGAUGE TURKEY 12/24 MOOB $1,34900 $1,22915 Sale! TriStar Sporting Arms VIPER G2 20/26 BLK SYN 3″ $68500 $60114 Sale! Winchester SXP BUCK/BIRD COMBO 12/26 3″ # $64999 $51061 Sale! Winchester SX4 WATERFOWL 20/26 WDLND 3″ # $1,19999 $1,09508