GOVT Contract Clone - AR-15 Barrel - 5.56 NATO - 10.3"

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Clones of 10.3" Military contract barrels we fufilled for the US Army.

Being sold in the identical configuration as required per the contract when fulfilled, packaging, bore wick, heavy oil, boxing, tag, etc.

Barrels are true mil spec to specifications per the militarys request and drawing.  Material, rifling form, chamber dimentions, chrome, finish, etc

This is the first govt procured barrel with a lo-profile gas block configuration instead of a FSB (NSN: 1005-01-633-2345), note that the journal for a FSB is still present if you wish to install one

One of the gas block dimples will be exposed if you install a FSB. 2 dimples for gas block set screws are present per the official drawing (spacing .425).  The markings on this barrel are also on the gas block journal in front of where the gas block is mounted

Gas port size is crane spec .0705, this port size is configured to function with full power 5.56x45 NATO ammunition and a standard carbine weight buffer

These are NOT govt over run, these are barrel we produced for the clone commercial market

Chamber- 5.56 NATO

• Length- 10.3"

• Gas system- Carbine Length

• Gas Block Size- .750

Gas Port Size- .0705

• Threads- 1/2x28

• Grenade Launcher Flats

• Finish- Chrome Lined Phosphate 

• Twist- 1:7

• Material- 41V50

• Barrel dimpled for gas block set screws

• Marked for Caliber, Twist, Cage Code, Production Date, Magnetic Particle Inspection, Chrome Line Facility

• Profile- SOCOM HEAVY

• Extension- M4

• Weight-  23 OZ

• Fully Made In House From KAK Industry Produced Blanks

All Barrels Are Air Gauge Inspected for Correct Bore Size & Tolerances, completed Barrels are Inspected for Proper Headspace using Calibrated Gauging.  


Chrome Lined Phosphate