Connecticut FirearmsCatalogue entry
Home / Shop / Pistols
Diamondback Firearms DB9 Gen 4 Manual Safety 9mm Black Pistol

The Diamondback Firearms DB9 Gen 4 is a compact 9mm semi-automatic pistol designed for discreet carry. Its lightweight polymer frame is paired with a black slide and a blue Cerakote frame finish, while the three-inch 410 stainless-steel barrel provides a durable, rifled bore. The pistol uses a striker-fired system, a short-reset trigger, and a six-round single-stack magazine. Fixed dot sights support straightforward target acquisition, and the textured polymer grip helps maintain control during firing.

Key features

  • Compact 9mm design suited to discreet carry
  • Six-round single-stack magazine with 6+1 capacity
  • Three-inch 410 stainless-steel rifled barrel
  • Lightweight polymer frame with blue Cerakote finish
  • Black slide and textured grip for practical handling
  • Fixed dot front and fixed 2-dot rear sights for quick sight alignment

The Diamondback DB9 Gen 4 combines a compact profile, manual safety, and practical carry-focused features in a lightweight 9mm pistol.

Diamondback Firearms DB9 Gen 4 Manual Safety 9mm Black: quick facts

What caliber is the Diamondback Firearms DB9 Gen 4 Manual Safety 9mm Black?
It is chambered in 9mm.
How many rounds does it hold?
6+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 3 inches, overall length 5.73 inches, weight 11 ounces.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: No; threaded barrel: No.
What sights and finish does it have?
Sights: Standard Sights; finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in Connecticut?
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
Is it in stock?
Yes, at $362.99. Orders leave within 1-2 business days; shipping is free over $999.

Similar pistols in stock

Shop all →