Diamondback DB15 Features The DB15 is built around a forged 7075 T-6 aluminum receiver set with a matte black anodized finish providing a durable and corrosion-resistant base for reliable operation. Its mid-length gas system offers smoother recoil and increased component longevity while the 1-in-7 twist rate in the 16-inch KAC barrel ensures excellent stabilization for a wide range of bullet weights. The rifle is equipped with a Magpul CTR collapsible stock and Magpul MBUS sights providing both comfort and adjustability right out of the box. The 15-inch M-LOK anti-rotation rail allows secure attachment of lights grips and other accessories. Additional features include a threaded barrel (1/2x28) for suppressor or brake compatibility enhanced trigger guard and a 2-position thumb safety for intuitive control. Diamondback DB15 Specifications Manufacturer: Diamondback Firearms Model: DB15 Caliber: .223 Rem / 5.56 NATO Action: Semi-Auto Barrel Length: 16 inches (KAC Cold Hammer Forged) Overall Length: 34 - 37.25 Rate of Twist: 1-in-7 Capacity: 30+1 Magazine Description: One 30-round PMAG Finish: Matte Black Anodized Stock: Collapsible / Folding (Magpul CTR) Stock/Grips: Magpul CTR Sights: Magpul MBUS Sight Type: Adjustable Sights Thread Pattern: 1/2x28 Special Feature: Threaded Barrel Receiver: Forged 7075 T-6 Aluminum Weight: 6.95 lbs Shipping Weight: 12.7 lbs Safety Features: 2-Position Thumb Safety Case: Diamondback Plastic Case Additional Features: 15 M-LOK Anti-Rotation Rail Mid-Length Gas System Enhanced Trigger Guard