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Daniel Defense DD36-116-06191-018
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Daniel Defense

$338.00
$314.00
Sale Price
Low Stock (1 left) California compliant

Daniel Defense Barrel, 300 Blackout, 10.3", 1:8 Twist, Black Finish 36-116-06191-018

Key Details
Brand Daniel Defense
Manufacturer Part Number 36-116-06191-018
UPC 815604019217
SKU DD36-116-06191-018
Current Stock 1 available
Quantity Updated Jul 26, 2026 10:26 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The Daniel Defense 10.3" 300 Blackout S2W barrel is designed with a strength to weight profile (Daniel Defense's Heavy Barrel), a 1:8" twist rate, and a pistol length gas system. Cold Hammer Forging of barrels has been known for decades to produce the most accurate, longest lasting rifle barrels obtainable. The Cold Hammer Forging of barrels is accomplished through intense hydraulic pressure applied at opposing angles by carbide steel hammers. During the hammering process, a mandrel is inserted into the bore while the carbide steel hammers shape the barrel around the mandrel creating the chamber, the lands, and the grooves. In addition to the aforementioned benefits, the Cold Hammer Forging process creates a defect free bore and the most consistent chamber possible. All Daniel Defense cold hammer forged barrels are made from start to finish in the state-of-the-art facility located in Black Creek, GA. In keeping with the heritage of not cutting corners, all cold hammer forged barrels feature a forged chamber and highest quality exterior coating. Daniel Defense cold hammer forged barrels prove themselves to be more accurate and last longer than a barrel that has cut or button rifling.

Features
  • Caliber: 300 BLK
  • Barrel Length: 10.3";Twist Rate: 1:8"
  • Gas System: Pistol Length
  • Diameter At Gas Port: .750
  • Barrel Extension: A4
  • Barrel Profile: S2W [Strength-to-Weight]
  • Weight: 1.25
Specifications
UPC: 815604019217
Manufacturer: Daniel Defense
Manufacturer Part #: 36-116-06191-018
Barrel Length: 10.3"
Type: Barrel