Daniel Defense

10.3 LPGB 300BLK


5 in stock


 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.

Caliber 300blk out
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 Carbine Length
Diameter At Gas Port .750″
Barrel Extension A4
Profile Government
Weight 1.15 lb
Manufacturer Daniel Defense


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