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AR-15 Diamondback Firearms 223 Remington /5.56mm 4 Rail Free Floating CTR No Sights Digital Tan Finish Semi-Automatic Rifle DB15DCT

AR-15 Diamondback Firearms 223 Remington /5.56mm 4 Rail Free Floating CTR No Sights Digital Tan Finish Semi-Automatic Rifle DB15DCT

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Product Summary

Diamondback Firearms is proud to announce its line of DB15 rifles made entirely in the USA! Starting with the tried-and-true, U.S. Military-proven gas-impingement system and using only the highest quality components machined in Diamondback’s CNC facility. The DB15 raises the bar when it comes to features and performance when compared to others. From the modified Diamondback aluminum four-rail handguard, to a variety of color, sight, and stock options, the Diamondback DB15 represents value and versatility all at a very affordable price.


- Model: DB-15 DCT
- Caliber: 5.56 NATO / .223 Remington
- Finish: Digital Camo Tan
- Barrel: 16" 4140 Chrome-Moly, M4 Contour, Free Float
- Barrel Twist Rate: 1 x 9
- Bolt Carrier: Shot-Peened, Magnetic Particle Inspected Mil Spec 8620 carrier
- Lower Receiver: Forged 7075 T6 Aluminium
- Upper Receiver: A3 Flattop Forged 7075 T6 Aluminum, T-Marked
- Handguard: Diamondback Aluminum Modified Four Rail
- Pistol Grip: A2 Style
- Stock: M4, Commercial Tube, 4 position
- Weight: 6.65 lbs.
- Overall Length (Stock Collapsed): 32.5"
- Overal Length (Stock Expanded): 36.25"
- Flash Hider: A2
- Sights: No Sights

Caliber Dictionary

The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 5.56X45mm NATO cartridge was designed by James Sullivan, a member of Eugene Stoner's engineering team that developed both the M16 rifle and its original cartridge. The 5.56X45mm NATO was adopted by the U.S. military in 1964 and by NATO in 1980. With bullet diameter of .224-inch, the original M193 military cartridge used a 55-grain bullet at 3250 fps; the current M855A1 cartridge, developed by FN, uses a 62.5-grain bullet at 3020 fps, offering greater range and better penetration. The civilian version of the 5.56X45mm is 223 Remington; the cartridges are dimensionally identical but military chamber dimensions and specifications for military brass are different. It is considered safe to use 223 Remington ammo in a 5.56X45MM NATO chamber, but not a good idea to use 5.56X45mm ammo in a rifle specifically chambered for the 223 Remington. Although the stopping power of .22-caliber bullets remains controversial the 5.56X45mm has served well in now multiple generations of M16 rifles. — Craig Boddington

Specification   Value
Capacity   30
Caliber   5.56mm NATO
Condition   New
SKU    98043
UPC    815875011811
Diamondback Firearms
Phone:   888-380-2767
Website:   http://www.diamondbackfirearms.com
Address:   16175 NW 49th Avenue
PO Box 864905
Miami, FL 33014
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