KAK OE-SPEC 5.56 13.9" Mid Gas AR15 Barrel, Nitride

Name: KAK OE-SPEC 5.56 13.9" Mid Gas AR15 Barrel, Nitride
Brand: KAK Industry

KAK Industry · Barrels

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$124.95at KAK Industry

checked Oct 8, 2026

Buy at KAK Industry

Where to buy

Store	Price	Availability	Buy	Add to build
KAK Industry	$124.95checked Oct 8, 2026	Check store	Buy at KAK Industry

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Dashed line = out of stock. Tracking since Oct 6, 2026.

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Store	Latest	Lowest	Highest
KAK Industry	$124.95	$124.95	$124.95

Since Oct 6, 2026.

About this part

The KAK OE-SPEC 5.56 13.9" Mid Gas AR15 Barrel, Nitride is a 13.9" 5.56 / .223 barrel from KAK Industry with a mid-length gas system. One store lists it, KAK Industry at $124.95.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system: Mid-length · Handguards
Muzzle thread: 1/2x28 · Muzzle devices
Barrel length: 13.9" · Handguards

Specifications

Manufacturer: KAK Industry
Platform: AR-15
Caliber: 5.56 mm NATO
Gas system: Mid
Barrel length: 13.9"
Twist rate: 1:7
Thread pattern: ½ x 28

From the manufacturer

VALUE-LINE 5.56 13.9" Mid Gas AR15 Barrel Chamber- 5.56 NATO* Length- 13.9"* Gas system- Mid length * Gas Block Size- .750* Threads- 1/2x28* Finish- Nitride* Twist- 1:7* Material- 41V50 Chrome Moly Vanadium* Extension- M4 Feed Ramps * Marked for Caliber and Twist* Weight- 26.08 OZ* Barrel is Dimpled for Gas Block Set Screw * Fully Made In House From KAK Industry Produced BlanksAll Barrels Are Air Gauge Inspected for Correct Bore Size & Tolerances, completed Barrels are Inspected for Proper Headspace using Calibrated Gauging.