Diamondback
Overview
The Diamondback DB15 5.56 NATO 16" Threaded Barrel Rifle - DB1790K005 is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
Diamondback DB15 5.56 NATO 16" Threaded Barrel Rifle - DB1790K005
Price and stock
The Diamondback DB15 5.56 NATO 16" Threaded Barrel Rifle - DB1790K005 was in stock most days in September 2026, and today only Classic Firearms has it in stock. Prices barely moved in September 2026, holding around $571.11, so there haven't been real sales lately. Buying today, the lowest price is $571.11 at Classic Firearms, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
Not sure which barrel to pick?
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
Popular alongside barrels on GunPartPicker
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
No reviews yet. Be the first to review this product!