K9 11.5″ Kinetic Consulting 5.56 NATO

From: $185.00

The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features 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 with improved harmonics, fit and finish. We recommend a minimum handguard length of 10″ with this barrel.

NOTE: COMES WITH PATROL LENGTH GAS TUBE

(2 customer reviews)

Non-Adjustable Gas Block

Our Rosco Non-Adjustable Gas Blocks are purposely designed to be lined up perfectly with our barrels and gas ports to ensure reliable cycling every time. We have created two options for the end user; Our Non-Adjustable gas block is a direct plug in for any one of our barrels and has provisions for pinning, our Adjustable block picks 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.

AR-15 Gas Block, Adjustable Gas Block, Non-Adjustable Gas Block

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.

In stock

The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features 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 with improved harmonics, fit and finish. We recommend a minimum handguard length of 10″ with this barrel.

NOTE: COMES WITH PATROL LENGTH GAS TUBE

Barrel Length 11.5″
Barrel Weight 25.47 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

 Patrol
Barrel Crown

Recessed Target
Barrel Finish

Nitride
Barrel Extension Finish

Nitride

Additional information

Weight 3 lbs
Dimensions 19.5 × 2.3 × 2.2 in

2 reviews for K9 11.5″ Kinetic Consulting 5.56 NATO

  1. Ray St John (verified owner) –

    Smooth, accurate, and fantastic balance, all things I expect from Rosco. My build has a Holosun laser, surefire vampire, and a Sandman S with e-brake. It balances just ahead of the magwell. Shooting it today yielded 2.5moa with cheap 55gr loads and 0.75-1moa with some Gold Dot. Followup shots were too easy and the recoil was negligible when paired with an H1 Super 42 buffer. The K9 barrels have been flawless in my testing and this 11.5 continues the trend!

  2. Nick (verified owner) –

    Awesome barrel! Function, fit, and finish. Will forever use Rosco! I now have 3 of their barrels and will use their barrels for all future builds. Never had an issue or complaint with Rosco. Any barrel any size if it’s Rosco it’s dependable and reliable without a doubt. If you buy one you won’t be disappointed.

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SKU: K9-115-HY-DUFFY-556-7-PT Category:

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