Operators Suppressors115783177
OSS RAD Direct Thread Adapter 1/2-28 - Precision-Machined Suppressor Accessory$49.00
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Availability: In Stock
Current Stock: Out of stock
The OSS RAD Piston 1/2-28 is a precision suppressor accessory engineered for shooters running reciprocating-bolt host firearms with OSS suppressors. This piston pairs with OSS RAD 9 and RAD 45 cans and uses a spring-loaded design to cycle the action on your host gun—keeping your suppressor anchored while the bolt does the work. Built from 17-4 stainless steel and treated with black nitride finish, it resists wear and corrosion in hard-use conditions, whether you're running subsonic loads at the range or downrange in less-than-ideal weather.
Cross-compatibility matters in the suppressor world, and the RAD Piston 1/2-28 plays well with other platforms: it's interchangeable with SilencerCo and Rugged suppressor pistons, giving you flexibility if you ever swap hosts or cans. The wrench flats machined into the piston body make installation and removal straightforward—grip it with a wrench for a rock-solid connection to your barrel, no guessing or spinning.
Pair this piston with a spring (sold separately) to set up a reciprocating-bolt suppressor rig, or choose a fixed-barrel spacer if your setup calls for a static configuration. The 1/2-28 thread pitch is standard on most rifle platforms, so compatibility is wide—check your host firearm's muzzle before ordering to confirm the fit.
| Brand | Operators Suppressors (OSS) |
| Product Type | Suppressor Piston |
| Material | 17-4 Stainless Steel |
| Finish | Black Nitride |
| Thread Pitch | 1/2-28 |
| Compatible Suppressors | OSS RAD 9, OSS RAD 45, SilencerCo, Rugged |
| Features | Wrench flats for secure attachment |
The 1/2-28 piston is designed for OSS RAD 9 and RAD 45 suppressors and is cross-compatible with SilencerCo and Rugged suppressors. It threads onto any firearm with a 1/2-28 muzzle. Always verify your host gun's muzzle thread pitch before purchasing to ensure proper fit.
The piston itself does not include a spring. For a reciprocating-bolt setup, you'll need to pair it with a spring (sold separately). Alternatively, you can use a fixed-barrel spacer if your configuration calls for a static mount rather than a moving piston.
The piston features wrench flats that allow you to grip it securely with a wrench during installation and removal. This design prevents slipping and ensures a tight, reliable connection to your barrel.
Yes. The OSS RAD Piston 1/2-28 is interchangeable with pistons from SilencerCo and Rugged Suppressors, giving you flexibility across multiple platforms and host firearms.
SKU: 115817982 • Weight: 0.25oz
Availability: In Stock
Current Stock: Out of stock
The OSS RAD Piston 1/2-28 is a precision suppressor accessory engineered for shooters running reciprocating-bolt host firearms with OSS suppressors. This piston pairs with OSS RAD 9 and RAD 45 cans and uses a spring-loaded design to cycle the action on your host gun—keeping your suppressor anchored while the bolt does the work. Built from 17-4 stainless steel and treated with black nitride finish, it resists wear and corrosion in hard-use conditions, whether you're running subsonic loads at the range or downrange in less-than-ideal weather.
Cross-compatibility matters in the suppressor world, and the RAD Piston 1/2-28 plays well with other platforms: it's interchangeable with SilencerCo and Rugged suppressor pistons, giving you flexibility if you ever swap hosts or cans. The wrench flats machined into the piston body make installation and removal straightforward—grip it with a wrench for a rock-solid connection to your barrel, no guessing or spinning.
Pair this piston with a spring (sold separately) to set up a reciprocating-bolt suppressor rig, or choose a fixed-barrel spacer if your setup calls for a static configuration. The 1/2-28 thread pitch is standard on most rifle platforms, so compatibility is wide—check your host firearm's muzzle before ordering to confirm the fit.
| Brand | Operators Suppressors (OSS) |
| Product Type | Suppressor Piston |
| Material | 17-4 Stainless Steel |
| Finish | Black Nitride |
| Thread Pitch | 1/2-28 |
| Compatible Suppressors | OSS RAD 9, OSS RAD 45, SilencerCo, Rugged |
| Features | Wrench flats for secure attachment |
The 1/2-28 piston is designed for OSS RAD 9 and RAD 45 suppressors and is cross-compatible with SilencerCo and Rugged suppressors. It threads onto any firearm with a 1/2-28 muzzle. Always verify your host gun's muzzle thread pitch before purchasing to ensure proper fit.
The piston itself does not include a spring. For a reciprocating-bolt setup, you'll need to pair it with a spring (sold separately). Alternatively, you can use a fixed-barrel spacer if your configuration calls for a static mount rather than a moving piston.
The piston features wrench flats that allow you to grip it securely with a wrench during installation and removal. This design prevents slipping and ensures a tight, reliable connection to your barrel.
Yes. The OSS RAD Piston 1/2-28 is interchangeable with pistons from SilencerCo and Rugged Suppressors, giving you flexibility across multiple platforms and host firearms.
SKU: 115817982 • Weight: 0.25oz