Description
SilencerCo Scythe STM Features and Performance
The SilencerCo Scythe STM is a modular .30 caliber suppressor built for shooters who want hard-use durability, strong sound performance, and the flexibility to run a long or short configuration depending on the rifle and application. As part of the Scythe Series, this model is designed to give shooters a tougher stainless-steel alternative to the Scythe Ti while still maintaining a practical overall footprint for modern rifle setups.
One of the standout features of the SilencerCo Scythe STM is its modular design. SilencerCo notes that the suppressor can be run in both long and short configurations, giving shooters the option to prioritize maximum sound suppression or a more compact setup depending on the host rifle. That makes it a strong fit for hunting rifles, general-purpose .30 caliber builds, and shooters who want one suppressor that can adapt to different needs.
The Scythe STM is also built with durability in mind. SilencerCo describes it as the stainless-steel version of the Scythe line, intended for harder use applications, and states that it is full-auto rated with no barrel restrictions. The suppressor uses 17-4 stainless steel construction and a Bravo-compatible mounting system, giving shooters access to a wide range of compatible mounting options beyond the included direct thread setup.
Another reason this model stands out is its included accessory package. SilencerCo lists the Scythe STM as shipping with a 5/8×24 Bravo Direct Thread Mount, a Spanner Wrench, a Bravo Multi-Tool, a Radial Tool, and a .30 cal Single-Port Anchor Brake. For more suppressors and firearm accessories, visit our NFA items collection and browse more SilencerCo products. To learn more about manufacturer specifications and compatible accessories, see SilencerCo’s official Scythe Series product page and SilencerCo’s accessories page.
Details
- Manufacturer: SilencerCo
- Model: Scythe STM
- Part Number: SU5421
- UPC: 816413028483
- Type: .30 Caliber Rifle Suppressor
- Caliber Compatibility: .223 Rem / 5.56 NATO to .300 RUM
- Configuration: Modular Long / Short
- Weight: 15.7 oz. Long / 10.4 oz. Short
- Length: 6.9 in. Long / 5.1 in. Short with Anchor Brake
- Diameter: 1.73 in.
- Material: 17-4 Stainless Steel
- Mounting System: Bravo
- Included Mount: 5/8×24 Bravo Direct Thread Mount
- Rating: Full-Auto Rated
- Barrel Restrictions: No Barrel Restrictions
- Included Accessories: Spanner Wrench, Bravo Multi-Tool, Radial Tool, .30 Cal Single-Port Anchor Brake
- Finish: Black






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