The Griffin Armament Optimus 6 Utility Mount FDE (Griffin Armament part no. GAOP6UMFDEW) is a 6mm-class suppressor built on a stainless steel core and finished in Flat Dark Earth Cerakote for shooters who want their can to match a tan or FDE-themed rifle build. It uses Griffin’s Utility Mount system for straightforward attachment, and at 6.02 inches long, it’s the shortest variant in the Optimus 6 lineup.

Key Specifications

• Rated for 6mm-class cartridges for focused, caliber-appropriate sound suppression.
• Measures 6.02 inches long, the shortest configuration in the Optimus 6 lineup.
• Built on a stainless steel core for durability under sustained use.
• Uses Griffin’s Utility Mount system for straightforward attachment to a compatible muzzle device.
• Finished in Flat Dark Earth Cerakote to match tan and FDE-themed rifle builds.
• Weighs approximately 15.2 ounces, the lightest configuration in the Optimus 6 lineup.
• Measures 1.73 inches in diameter across all Optimus 6 mounting configurations.
• Rated for full-auto fire for use on select-fire hosts.
• Reduces muzzle report by roughly 22 dB for measurably quieter shooting.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What finish does it come in? Flat Dark Earth Cerakote over a stainless steel core.

How does it mount? It uses a 1.375×24 threaded hub mount, a direct-thread interface, not a quick-detach can.

Buy the Griffin Armament Optimus 6 FDE Suppressor

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Griffin Armament‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.