1. Firearms
  3. Semi-Auto Rifles
  5. AR-15 Rifles

Diamondback DB15 300 Blackout Rifle with 30 rd Magazine

  • Item Number: DB1731B001
  • /
  • View More Items by Diamondback
  • /
  • Condition: NEW
Diamondback DB15 300 Blackout Rifle with 30 rd Magazine
$773.99

Temporarily Out of Stock

Includes FREE shipping
  • NEXGEN NG15 300 BO GREEN 16`

    NexGen Arms NG-15 300 Blackout Semi-Auto Rifle with Green Cerakote Finish
    $499.99

  • DIAMONDBACK DIA DB175AK591 5.56 DB15 ML 16 30R BLK/PINK

    Diamondback DB15 5.56 NATO Tactical Rifle With Pink A2 Grips
    $579.99

  • DIAMONDBACK DB15 5.56MM 16` THREADED BARREL FDE RECEIVER B5 MULTI CAM STOCK B5 GRIP

    Diamondback DB-15 5.56 NATO Semi-Auto Rifle with B5 Furniture
    $787.00 $719.99

  • NEXGEN NG15 300BO BLACK 16`

    NexGen Arms NG-15 300 Blackout Semi-Auto Rifle
    $499.99

  • NEXGEN NG15 300 BO 16` BARREL BRONZE

    NexGen Arms NG-15 300 Blackout Semi-Auto Rifle with Bronze Finish
    $534.00 $479.99

  • Hornady 300 Blackout 208 gr Subsonic FMJ Frontier 20/Box

    Hornady 300 Blackout 208 gr Subsonic FMJ Frontier 20/Box
    $15.99
    ($0.80 / round)

  • Hornady Frontier 300 Blackout 125 GR FMJ 100 Rounds in Ammo Can

    Hornady Frontier 300 Blackout 125 GR FMJ 100 Rounds in Ammo Can
    $64.99
    ($0.65 / round)

  • Federal 300 Blackout 150 gr FMJ Boat Tail American Eagle 20/Box

    Federal 300 Blackout 150 gr FMJ Boat Tail American Eagle 20/Box
    $28.99 $16.99
    ($0.85 / round)

  • Federal 300 Blackout 190gr Fusion Tipped Subsonic 20/Box

    Federal 300 Blackout 190gr Fusion Tipped Subsonic 20/Box
    $40.99 $27.99
    ($1.40 / round)

  • Hornady 300 Blackout 125 gr FMJ Frontier 20/Box

    Hornady 300 Blackout 125 gr FMJ Frontier 20/Box
    $14.99
    ($0.75 / round)

  • Norma 300 Blackout 147 gr FMJ Range and Training 20/Box

    Norma 300 Blackout 147 gr FMJ Range and Training 20/Box
    $16.99
    ($0.85 / round)

  • Federal 300 Blackout 150gr Jacketed Soft Point Power-Shok 20/Box

    Federal 300 Blackout 150gr Jacketed Soft Point Power-Shok 20/Box
    $34.99 $22.99
    ($1.15 / round)

  • Hornady 300 Blackout 110 gr CX Custom 20/Box

    Hornady 300 Blackout 110 gr CX Custom 20/Box
    $26.99
    ($1.35 / round)

  • Hornady 300 Blackout 208 gr A-MAX Black (Subsonic) 20/Box

    Hornady 300 Blackout 208 gr A-MAX Black (Subsonic) 20/Box
    $25.99
    ($1.30 / round)

  • Hornady 300 Blackout 135 gr FTX Custom 20/Box

    Hornady 300 Blackout 135 gr FTX Custom 20/Box
    $28.99
    ($1.45 / round)

  • Sig Sauer 300 Blackout 125 gr Sierra MatchKing Elite Match OTM 20/Box

    Sig Sauer 300 Blackout 125 gr Sierra MatchKing Elite Match OTM 20/Box
    $27.99
    ($1.40 / round)

  • Corbon Ammunition 300 Blackout 110 Grain DPX 20/Box

    Corbon Ammunition 300 Blackout 110 Grain DPX 20/Box
    $35.99
    ($1.80 / round)

Product Description

The Diamondback DB15 in 300 Blackout is a tactical AR-style semi-automatic rifle built for versatility and reliability. Featuring a pistol-length, heavy 4150 chrome moly barrel and gas system, it offers a smooth shooting experience with reduced recoil. The rifle incorporates a shot-peened Mil-Spec 8620 bolt carrier and durable 7075-T6 aluminum receivers finished in Black Cerakote with a distinctive Diamondback Black Gold lower receiver. Equipped with a 15" M-LOK handguard, Magpul MOE-K2 grip, and Magpul CTR stock, this rifle balances ergonomics and performance for tactical and recreational use.

Firearm Specifications

  • Manufacturer: Diamondback
  • Model: DB15
  • Caliber: 300 Blackout
  • Barrel Length: Pistol-length (exact length not specified)
  • Overall Length: 32.75" - 36"
  • Twist Rate: 1:8"
  • Finish: Black Cerakote Receiver with Diamondback Black Gold Lower
  • Sights: None
  • Grips/Stock: Black Magpul K2 Grip Magpul CTR Stock
  • Magazine Capacity: 30+1

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review
Back to top