K9 13.95″ Greenline Tactical 5.56 NATO (Mid-Length)

From: $200.00

The K9 13.95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of the barrel, modern attachments on the front of the rifle create a perfectly balanced and better handling rifle. Updated target crown carried over from the Purebred series. Features no 90 degree cuts, improved harmonics, fit and finish.
NOTE: COMES WITH MID-LENGTH GAS TUBE

(6 customer reviews)

Non-Adjustable Gas Block, v2

Our v2 Non-Adjustable Gas Blocks feature the same 'Bloodline' dependability, with improvements for the modern shooter.  We added a knockout hole at the front of the gas block to aide in removing the gas tube. Also featuring improved tolerances and finishes, making the v2 Gas Block a staple for years to come.

Adjustable Gas Block

Our Rosco Adjustable Gas Block is purposely designed to be lined up perfectly with our barrels and gas ports to ensure reliable cycling every time. These Adjustable gas blocks pick up where our standard block leaves off and works perfectly for shooters that want to be able to control their gas flow for suppressed applications.

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The K9 13.95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of the barrel, modern attachments on the front of the rifle create a perfectly balanced and better handling rifle. Updated target crown carried over from the Purebred series. Features no 90 degree cuts, improved harmonics, fit and finish.
NOTE: COMES WITH MID-LENGTH GAS TUBE

Barrel Length 13.95″
Barrel Weight 29.8 oz
Barrel Material 416R
Barrel Caliber 5.56
Barrel Profile

Continuous

Twist

1/7

Barrel Thread

1/2 x 28

Barrel Gas Block Size

0.750

Gas System Length

Mid-Length
Barrel Crown

Recessed Target

Barrel Finish

Nitride

Barrel Extension Finish

Nitride

Additional information

Weight 2 lbs
Dimensions 19.5 × 2.3 × 2.2 in

6 reviews for K9 13.95″ Greenline Tactical 5.56 NATO (Mid-Length)

  1. Pete (verified owner)

    Excellent craftsmanship. The barrel is super durable. Price was also great. Customer service was immediate. I will buy from this American company again.

  2. Pat (verified owner)

    Fit and Finish are excellent. Rosco packaging is far beyond anyone else I have ordered barrels from. I really appreciate the included melonite gas tube and how it was in a protective case.

  3. jjwassel (verified owner)

    By far the most well packaged barrel I’ve ever received. Included gas tube in its own sleeve and placed in the foam as well. I will buy another barrel from rosco for this alone. Barrel fit nice and tight into a BCM upper. Had to pull out the heat gun. Geissele barrel nut fit over and snugged it up. Can’t wait to shoot it.

  4. Jesse (verified owner)

    Received barrel very quickly and in great shape. Finish is vey clean and well done. Have not installed on my aero m4e1 upper yet so will update after some freedom seeds are sent down range.

  5. Ryan R (verified owner)

    Shipped fast and arrived very well packed and boxed. Base Aero Build with BCM BCG and Giessele braided spring H1 buffer….assembled and pinned by ADCO. After zeroing red dot by laser was getting baseball size groups at 25 yards with no support for myself and my GF (new shooter). 260 rounds no issues other than barrel heat. Would buy again. Only issue is the taper towards the rear limits mlok attachments if you have a slim rail (ATLAS S). Not the barrels fault though as it is thicker by design in that area.

  6. Peter C.

    I was very happy with this purchase. Nice looking barrel at a decent price.

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