
Availability: In Stock
The OSS 3-Lug 9mm Mount is a 1/2x28 thread adapter designed to pair your 9mm suppressor with the growing ecosystem of 3-lug mounting systems. If you run a can on multiple hosts or are building a modular suppressor setup, this adapter lets you standardize your mounting interface across different firearms—a practical move for shooters who value consistency and flexibility on the range or in the field.
The helical groove design is the real story here. Unlike traditional muzzle devices that allow carbon fouling to build up and lock the suppressor mount solid, the helical geometry works to minimize carbon adhesion during firing. That means easier removal, less hassle during cleaning, and a mount that stays functional over time without stuck-on carbon eating into your workflow.
Built for the 9mm shooter who's serious about suppressor versatility, this adapter threads onto 1/2x28 barrels—the standard pitch for most 9mm rifles and pistols. Whether you're running it on a dedicated 9mm AR, a handgun-caliber rifle, or switching hosts regularly, the 3-lug interface keeps your setup straightforward and your suppressor system modular.
| Brand | Operators Suppressors (OSS) |
| Product Type | 3-Lug Muzzle Mount Adapter |
| Caliber | 9mm |
| Thread Pitch | 1/2x28 |
| Mounting System | 3-Lug |
This adapter is compatible with any suppressor equipped with a 3-lug mounting interface. Confirm your can has a 3-lug mount before ordering.
The 1/2x28 pitch is standard on most 9mm rifles and pistols, including 9mm AR platforms and common handgun-caliber carbines. Verify your barrel's thread pitch before purchase.
The helical grooves are engineered to reduce carbon buildup and lock between the adapter and suppressor mount, making removal and maintenance easier over extended use.
Yes—this is a muzzle adapter only. As long as your different 9mm firearms have 1/2x28 barrels and your suppressor has a 3-lug interface, you can move this adapter between hosts.

SKU: 115695040 • Weight: 0.06oz





Availability: In Stock
The OSS 3-Lug 9mm Mount is a 1/2x28 thread adapter designed to pair your 9mm suppressor with the growing ecosystem of 3-lug mounting systems. If you run a can on multiple hosts or are building a modular suppressor setup, this adapter lets you standardize your mounting interface across different firearms—a practical move for shooters who value consistency and flexibility on the range or in the field.
The helical groove design is the real story here. Unlike traditional muzzle devices that allow carbon fouling to build up and lock the suppressor mount solid, the helical geometry works to minimize carbon adhesion during firing. That means easier removal, less hassle during cleaning, and a mount that stays functional over time without stuck-on carbon eating into your workflow.
Built for the 9mm shooter who's serious about suppressor versatility, this adapter threads onto 1/2x28 barrels—the standard pitch for most 9mm rifles and pistols. Whether you're running it on a dedicated 9mm AR, a handgun-caliber rifle, or switching hosts regularly, the 3-lug interface keeps your setup straightforward and your suppressor system modular.
| Brand | Operators Suppressors (OSS) |
| Product Type | 3-Lug Muzzle Mount Adapter |
| Caliber | 9mm |
| Thread Pitch | 1/2x28 |
| Mounting System | 3-Lug |
This adapter is compatible with any suppressor equipped with a 3-lug mounting interface. Confirm your can has a 3-lug mount before ordering.
The 1/2x28 pitch is standard on most 9mm rifles and pistols, including 9mm AR platforms and common handgun-caliber carbines. Verify your barrel's thread pitch before purchase.
The helical grooves are engineered to reduce carbon buildup and lock between the adapter and suppressor mount, making removal and maintenance easier over extended use.
Yes—this is a muzzle adapter only. As long as your different 9mm firearms have 1/2x28 barrels and your suppressor has a 3-lug interface, you can move this adapter between hosts.
SKU: 115695040 • Weight: 0.06oz
