MK2 Patrol 13.9" 223W Carbine (Pinned to 16")

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 Note: This rifle must be pinned with a 2.75" flash hider to reach an overall barrel length of 16" per the ATF. If you would like to purchase this length rifle without a muzzle device or without the muzzle device pinned, it must be formed as an SBR or transferred as a pistol. Please purchase the MK2 CQB 13.9" SBR or MK2 CQB 13.9" Pistol

The Griffin MK2 rifle series improves on the features of the MK1 by improving the foundation of the rifle; its lower receiver. The Griffin MK2 fully-ambidextrous lower receiver is manufactured using state-of-the-art aerospace manufacturing techniques to derive sub-mil-spec tolerances and unparalleled quality. Front to back Griffin rifles leave no stone unturned.

All control features are mirrored affording full-ambidextrous functionality, using intellectual property developed by Griffin Armament circa 2013. 

The MK2 Patrol 13.9" pinned 223 Wylde carbine is a front line fighting rifle. The tuned mid length gas system and suppressor optimized buffer system ensure a soft yet reliable gas system suppressed or unsuppressed. The 416R SS barrel provides exceptional accuracy and durability. We ran one of these barrels to 47,000 rounds 100% suppressed while test firing suppressors with zero baffle strikes and the rifling was still present. The barrel was retired due to extension lug wear, not due to barrel rifling wear. Other case studies such as multiple M24 SWS barrels holding 0.35 MOA to 20,000+ rounds in army testing, provides further evidence that 416R SS is an extremely durable barrel material.

This rifle due to its barrel length must have a pinned and welded muzzle device prior to leaving the factory, or be fulfilled as an NFA SBR with $200 tax required. For questions on ordering or to discuss muzzle device/furniture color options contact customer service at 1-262-200-0003. (Titanium Muzzle Devices not included)

MK2 Rifle Manual


  • Griffin 13.9" 416R SS HEDP™ Barrel
  • Griffin Enhanced BCG 
  • Griffin Forged Upper And Lower Type 3 Hardcoat Anodized
  • Griffin Full Ambidextrous Lower w/ 60 degree Flared Magazine Well and Integrated Trigger Guard
    • Ambidextrous Features: Magazine Release, Bolt Release & Catch, Safety Selector Kit,  and SN-ACH™ Charging Handle
  • Griffin A3 Grip and Enhanced Trigger Guard
  • Griffin Contour Connect QD End plate
  • Griffin Maritime Receiver Extension™
  • Griffin AR-SOB (Suppressor Optimized Buffer)
  • Griffin ECS™ Extreme Condition Stock
  • Griffin RailShield™ 4 Piece Panel Kit
  • Griffin 13" Low Pro Rail System
  • Griffin Primo Gas Block (pinned) 
  • Griffin 2.75" Silencer Mount Muzzle Device
  • Griffin Dimpled Takedown Pins


Weight: 6lbs. 13.7oz.

Overall Collapsed Length : 31"

1/2x28 Muzzle Device Options:

*Note: This list only includes muzzle devices long enough to be pinned & welded to a total barrel length of +16" to meet federal requirements. 


Additional Details

Barrel Length (inches):
223 Wylde

1 Review

  • 5
    Mk2 13.9 pinned and welded to 16

    Published by Joseph Lugo on 2nd Feb 2024

    Great rifle . Super build quality and really accurate. Pin and weld are super clean could hardly notice it.

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