Home / Semi-Auto Pistol / Diamondback Firearms DB9 GEN IV 9MM DUOTONE 3″ 6+1 You cannot add "B&T APC300 300BLK 8.7" TAN 30+1" to the cart because the product is out of stock. Sale! Diamondback Firearms DB9 GEN IV 9MM DUOTONE 3″ 6+1$31000 $27080 Out of stock SKU: DB0200P031 Category: Semi-Auto Pistol Product ID: 42813 Description Description “Zero-Energy” Striker Fired Related products POF USA PSG .22LR PISTOL 8″ BLK MLOK $67200 Sale! Browning BUCKMARK + VISION AMER 5.9″ $82999 $75766 Sale! B&T GHM9 SPORT 9MM 16″ 30+1 # $1,77000 $1,60622 Sale! Shadow Systems MR920L ELT 9MM BK/BK OR TB 10 $1,19900 $99410