Daniel Defense 10.3″ 300BLK, PISTOL, 1:8″, S2W®




Buy Daniel Defense 10.3″ 300BLK, PISTOL, 1:8″, S2W® Online

Our 10.3” 300 Blackout barrel is for those that seek the benefits this versatile round offers in an AR-15 build, whether for a short-barrel rifle or AR pistol.  The Strength to Weight profile barrel is Cold Hammer Forged from 4150 Chrome Moly Vanadium Steel, Mil-spec heavy phosphate coated and chrome lined with 1:8 twist on a pistol length gas system.

Stripped Barrel  1.25lbs 
 Barrel w/ LPG 1.33lbs


More Information
Caliber 300 BLK
Barrel Length 10.3″
Manuf. Process Cold Hammer Forged
Twist Rate 1:8
Muzzle Thread 5 ⁄ 8 × 24 TPI (Threads Per Inch)
Material Chrome Moly Vanadium
Outside Finish Mil-Spec Heavy Phosphate
Inside Finish Chrome
Gas System Pistol Length
Diameter At Gas Port .750″
Barrel Extension A4
Barrel Profile S2W® (Daniel Defense’s proprietary Heavy Barrel)
Weight 1.25
Manufacturer Daniel Defense


Daniel Defense

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