Griffin Armament198466176
Griffin Armament Mk1 Rifle Patrol 5.56 16 Fde$1,423.70
Availability: In Stock
Current Stock: Out of stock
The Griffin Armament Mk1 Rifle Patrol 5.56 14.5 P/W is a suppressor-optimized rifle carbine built from the ground up for serious shooters who demand reliability and performance whether running suppressed or bare. This 14.5-inch rifle comes pinned and welded with a closed-tine flash hider to meet legal requirements, and it's finished in FDE (Flat Dark Earth) for a professional tactical appearance. Every component—from the barrel to the charging handle to the buffer system—has been engineered with suppressed fire in mind, making it a genuinely thought-out fighting rifle rather than a generic platform.
What sets the Mk1 apart is Griffin's attention to gas tuning and durability. The rifle-length gas system and suppressor-optimized buffer work together to deliver smooth, reliable cycling whether you're running a can or shooting unsuppressed. The barrel itself is hammer-forged 416R stainless steel—the same material choice you'll find in high-round-count military barrels—built to withstand extended suppressed shooting without premature wear. Griffin specs every internal component, including an enhanced BCG, ambidextrous safety selectors, and a maritime receiver extension that plays well with suppressed shooting dynamics.
Out of the box, you're getting a complete, shootable rifle: forged upper and lower receivers with Type 3 hardcoat anodize, a low-profile gas block pinned in place, Griffin's SN-ACH charging handle (optimized for suppressor work), an enhanced trigger guard and A3 grip, the company's ECS stock, and a modular four-piece rail panel system. The Contour Connect QD end plate adds flexibility for mounting accessories. This is the kind of rifle that works on day one and rewards proper maintenance over years of hard use.
| Brand | Griffin Armament |
| Model | Mk1 Rifle Patrol |
| Caliber | 5.56 NATO |
| Barrel Length | 14.5 inches |
| Barrel Material | 416R Stainless Steel |
| Barrel Finish | Pinned and Welded |
| Flash Hider | A2 Closed Tine (XHP556CTFH-P) |
| Upper/Lower | Forged, Type 3 Hardcoat Anodized |
| Gas System | Rifle-Length |
| Bolt Carrier Group | Griffin Enhanced |
| Gas Block | Griffin Primo (Pinned) |
| Charging Handle | Griffin SN-ACH (Suppressor Normalized Ambi) |
| Safety Selectors | Ambidextrous |
| Grip | Griffin A3 |
| Trigger Guard | Griffin Enhanced |
| Receiver Extension | Griffin Maritime |
| Stock | Griffin ECS (Extreme Condition) |
| Rail System | Griffin Low Pro with RailShield 4-Piece Panel Set |
| End Plate | Griffin Contour Connect QD |
| Buffer System | Griffin AR-SOB (Suppressor Optimized) |
| Finish | FDE (Flat Dark Earth) |
The Mk1 Patrol is engineered to run reliably both ways. The rifle-length gas system and suppressor-optimized buffer system are tuned to cycle smoothly whether you're running a suppressor or shooting open, so you're not locked into one configuration.
The 14.5-inch barrel with permanently attached flash hider brings the total length to 16 inches, meeting the federal minimum rifle barrel length requirement. This permanent configuration is what allows the rifle to be sold as a complete rifle.
The Mk1 Patrol ships as a complete, shootable rifle with all internal components (bolt carrier group, buffer system, trigger group), the furniture (grip, trigger guard, stock, charging handle), the rail system with modular panels, gas block, and flash hider. It does not include optics, ammunition, or a suppressor.
The 416R stainless barrel is proven for extended high-round-count use. Griffin testing has demonstrated the material's durability under heavy suppressed fire; the barrel is retired due to extension lug wear rather than rifling degradation, a testament to the material choice.
SKU: 198466174 • Weight: 10oz