KAK OE-SPEC- 5.56 12.5" Carbine Gas AR-15 Barrel- Nitride

Name: KAK OE-SPEC- 5.56 12.5" Carbine Gas AR-15 Barrel- Nitride
Brand: KAK Industry

KAK Industry · Barrels

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$119.95at KAK Industry

checked Oct 8, 2026

Buy at KAK Industry

Where to buy

Store	Price	Availability	Buy	Add to build
KAK Industry	$119.95checked 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	$119.95	$119.95	$119.95

Since Oct 6, 2026.

About this part

The KAK OE-SPEC- 5.56 12.5" Carbine Gas AR-15 Barrel- Nitride is a 12.5" 5.56 / .223 barrel from KAK Industry with a carbine gas system. One store lists it, KAK Industry at $119.95.

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: Carbine · Handguards
Muzzle thread: 1/2x28 · Muzzle devices
Barrel length: 12.5" · Handguards

Specifications

Manufacturer: KAK Industry
Platform: AR-15
Caliber: 5.56 mm NATO
Gas system: Carbine
Barrel length: 12.5"
Twist rate: 1:7
Thread pattern: ½ x 28

From the manufacturer

* Chamber- 5.56 NATO* Length- 12.5"* Gas system- Carbine Gas * Gas Block Size- 750* Threads- 1/2-28* Finish- Nitride * Twist- 1:7* Material- 41V50* Extension- M4 Feed Ramps * Barrel dimpled for gas block set screw* Marked for Caliber and Twist* Weight- 23.98 OZ* 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.