Griffin Armament 3-Lug Suppressor Mount - Stainless Steel Nitride Finish

The Griffin Armament 3-Lug Suppressor Mount is a stainless steel HK-pattern adapter that gives you a direct, rock-solid connection between your suppressor and rifle barrel. If you're running a 3-lug suppressor—whether it's a Griffin model or any other manufacturer's silencer built to the HK standard—this mount delivers the mechanical interface you need. It's machined from 17-4PH stainless steel and finished with a Melonite QPQ treatment, so it'll handle repeated mounting cycles and the harsh realities of field use without corrosion or degradation.

3-lug mounts are prized by serious shooters and hunters for their repeatability and strength. Unlike some quick-detach systems that can develop play over time, the 3-lug interface locks into place positively, giving you consistent zero retention and minimal point-of-impact shift when you remove and reinstall your can. That matters whether you're zeroing on the range, hunting at distance, or testing different suppressors on your rifle.

The Melonite treatment adds durability without the bulk—it's a salt-bath nitride process that hardens the stainless steel and resists corrosion better than bare stainless alone. You're getting professional-grade materials here, the kind Griffin has built its reputation on. If your suppressor has a 3-lug female interface, this mount is designed to mate with it seamlessly.

Key Features

• HK-pattern 3-lug design compatible with any 3-lug suppressor built to this standard
• 17-4PH stainless steel construction for strength and longevity
• Melonite QPQ nitride finish for enhanced corrosion resistance and hardness
• Direct-thread interface for positive, repeatable engagement
• Works with Griffin 3-lug interface assemblies and third-party suppressors

Specifications

Frequently Asked Questions

Will this mount work with my 3-lug suppressor?

Yes—as long as your suppressor uses the HK-pattern 3-lug female interface, this adapter will mate with it. That includes all Griffin 3-lug suppressors and any other manufacturer's can built to that standard.

What's the advantage of a 3-lug mount over quick-detach systems?

The 3-lug interface locks in positively and repeatably, with minimal mechanical play. That translates to consistent point-of-impact retention and reliability in the field or on the range.

What does the Melonite finish do?

Melonite QPQ is a salt-bath nitride hardening process that increases the surface hardness and corrosion resistance of the stainless steel. It extends the life of the mount under repeated use and environmental exposure.