Diamondback Firearms DB15 300 BLK Rifle - 30 Rounds - 16"

Manufactured by Diamondback Firearms
Manufactured by Diamondback Firearms
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Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal Firearm License holder.
•Current processing time is approximately 14 to 16 days.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers. Due to Covid-19 many are no longer open
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.



Diamondback Firearms .300 Blackout rifle has a magnetic particle inspected Mil-Spec bolt carrier group, a 16"  pistol length barrel made from Chrom-Moly Vandium steel and the barrel is finished in black nitride. The upper is an A3 flattop made from light but strong 7075 T-6 Aluminum, the lower is made from the same material. The furniture is finished out with an adjustable carbine stock, MOE grip, and a 12in KeyMod Rail handguard.

  • .300 Blackout
  • 30 round magazine
  • 12in. KeyMod handguard
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Barrel CoatingSalt Bath Nitride
Barrel Length16
Barrel LiningSalt Bath Nitride
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandDiamondback Firearms
Caliber Gauge300 Blackout
Gas System LengthPistol
Gas System TypeDirect Impingement
Handguard12 in KeyMod Rail
Muzzle DeviceA2 Flash Hider
Twist Rate1:8 RH

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