
Availability: In Stock
The Diamondback Firearms Gen 4 9mm pistol is a USA-made micro-compact designed for shooters who need reliable, no-frills self-defense carry without compromise. At just 11 ounces unloaded and 5.6 inches long, this slim single-stack fits easily in a pocket or waistband—ideal for everyday carry, backup duty, or as a truck gun. The 3.1-inch barrel balances shootability with the compact form factor, while the 6+1 round capacity gives you a fighting chance without adding bulk.
Built with a purpose, the Gen 4 uses a ZERO-Energy striker system and mechanical firing pin block for consistent, safe operation. The steel slide and barrel are FEA-designed and corrosion-coated to handle real-world conditions—no mall ninja maintenance required. You get genuine windage-adjustable sights (not fixed plinkers), a steel trigger with dual connecting bars for a clean break, and a steel magazine catch to keep that sheet metal mag in your hand, not on the ground. The lack of removable pins or disassembly tools makes field stripping faster when it matters.
The crisp, smooth trigger pull at 5.5 pounds rewards precise shot placement, and the compact footprint means less muzzle flip and felt recoil than you'd expect from a lightweight 9mm. Whether you're a minimalist who values durability over gadgetry or someone building a deep concealment rig, the Diamondback Gen 4 delivers honest engineering without the price tag of brands trading on hype.
| Caliber | 9x19mm |
| Barrel Length | 3.1 inches |
| Overall Length | 5.6 inches |
| Height | 4.0 inches |
| Width | 0.8 inches |
| Weight (unloaded) | 11 oz |
| Magazine Capacity | 6+1 rounds |
| Trigger Pull | 5.5 lbs |
| Sight Distance | 4.25 inches |
| Firing System | ZERO-Energy striker with firing pin block |
The Gen 4 is built entirely in the USA with FEA-designed slide and barrel geometry for durability and reduced recoil. You get real adjustable sights, a quality steel trigger, and no gimmicks—just honest engineering. The corrosion coating and ZERO-Energy striker system are built to last decades with minimal maintenance.
Yes. At 11 ounces and 0.8 inches wide, the Gen 4 is purpose-built for pocket, waistband, or ankle carry. The compact 5.6-inch length and slim profile make it one of the most discrete 9mm carry options available.
Yes. The Diamondback Gen 4 requires no removable pins or special tools for field stripping, making it easier to clean and maintain in the field or at home.
The DB0200P091 comes with one 6+1 sheet metal magazine and is ready to go out of the box. Windage-adjustable sights are included—no separate purchase needed.


SKU: 120913113 • Width: 6.7in • Height: 1.8in • Depth: 10.9in • Weight: 1.55oz





Availability: In Stock
The Diamondback Firearms Gen 4 9mm pistol is a USA-made micro-compact designed for shooters who need reliable, no-frills self-defense carry without compromise. At just 11 ounces unloaded and 5.6 inches long, this slim single-stack fits easily in a pocket or waistband—ideal for everyday carry, backup duty, or as a truck gun. The 3.1-inch barrel balances shootability with the compact form factor, while the 6+1 round capacity gives you a fighting chance without adding bulk.
Built with a purpose, the Gen 4 uses a ZERO-Energy striker system and mechanical firing pin block for consistent, safe operation. The steel slide and barrel are FEA-designed and corrosion-coated to handle real-world conditions—no mall ninja maintenance required. You get genuine windage-adjustable sights (not fixed plinkers), a steel trigger with dual connecting bars for a clean break, and a steel magazine catch to keep that sheet metal mag in your hand, not on the ground. The lack of removable pins or disassembly tools makes field stripping faster when it matters.
The crisp, smooth trigger pull at 5.5 pounds rewards precise shot placement, and the compact footprint means less muzzle flip and felt recoil than you'd expect from a lightweight 9mm. Whether you're a minimalist who values durability over gadgetry or someone building a deep concealment rig, the Diamondback Gen 4 delivers honest engineering without the price tag of brands trading on hype.
| Caliber | 9x19mm |
| Barrel Length | 3.1 inches |
| Overall Length | 5.6 inches |
| Height | 4.0 inches |
| Width | 0.8 inches |
| Weight (unloaded) | 11 oz |
| Magazine Capacity | 6+1 rounds |
| Trigger Pull | 5.5 lbs |
| Sight Distance | 4.25 inches |
| Firing System | ZERO-Energy striker with firing pin block |
The Gen 4 is built entirely in the USA with FEA-designed slide and barrel geometry for durability and reduced recoil. You get real adjustable sights, a quality steel trigger, and no gimmicks—just honest engineering. The corrosion coating and ZERO-Energy striker system are built to last decades with minimal maintenance.
Yes. At 11 ounces and 0.8 inches wide, the Gen 4 is purpose-built for pocket, waistband, or ankle carry. The compact 5.6-inch length and slim profile make it one of the most discrete 9mm carry options available.
Yes. The Diamondback Gen 4 requires no removable pins or special tools for field stripping, making it easier to clean and maintain in the field or at home.
The DB0200P091 comes with one 6+1 sheet metal magazine and is ready to go out of the box. Windage-adjustable sights are included—no separate purchase needed.
SKU: 120913113 • Width: 6.7in • Height: 1.8in • Depth: 10.9in • Weight: 1.55oz

