Silent Steel

Silent Steel

Silent Steel Oy

Mikkeli, Finland

WeaponsSimulation & TrainingDual-use
Component SupplierSupplies Land Forces, Homeland Security & Police
Profile last updated: April 4, 2026

About

Silent Steel is a defense component supplier based in Mikkeli, Finland working in weapons, simulation & training.

Silent Steel is a Finnish manufacturer of firearm suppressors and weapon accessories. Its products are designed for law enforcement and military users as well as civilian shooters. The company's range includes modular, multi-caliber suppressors in flow-through and baffle configurations, muzzle devices and quick-attach mounts, including a heavy suppressor for machine guns. Silent Steel states that its products are designed and manufactured in Finland, are full-auto rated with stainless steel bodies, and are used in duty applications. The company holds ISO 9001:2015 certification from Bureau Veritas, is a member of the Association of Finnish Defence and Aerospace Industries (AFDA), and holds NATO NCAGE code AB47G. Its US subsidiary, Silent Steel USA, operates separately and is a member of the NSSF firearms trade association. Silent Steel offers training and simulation modules and blank-firing suppressors for training use.

Location

Mikkeli, Finland

Company type

Limited company

Legal name

Silent Steel Oy

NCAGE code

AB47G

VAT number

3163077-7

Focus areas

suppressorssound suppressionmuzzle devicesmachine gun suppressorlaw enforcementmilitaryblank firingsimulation modulemodular suppressorsFinland

Languages

ENFI

Products & capabilities

Defense domains

WeaponsSimulation & Training

Supply-chain role

Component Supplier

What they offer

HardwareComponents

Markets

Also sells to civilian markets

Products

Streamer

Rifle suppressor

Full-size modular, multi-caliber flow-through suppressor for gas-operated and single-action rifles, with interchangeable flow or baffle suppression units.

Compact Streamer

Rifle suppressor

Mid-size flow-through suppressor for shorter rifles, with reduced length and weight.

Micro Streamer

Muzzle blast device

Very short blast-shield style device that reduces sound and flash signature for short rifles, adding about 5 cm after the muzzle device.

Heavy Streamer

Machine gun suppressor

Heavy-duty suppressor for magnum caliber self-loading rifles and belt-fed machine guns, with a free-float suppression unit.

Mini Streamer

Pistol and 22LR suppressor

Modular aluminium suppressor for 22LR rifles, pistols and fixed-barrel pistols, with adjustable length by number of baffles.

Blast Streamer

Muzzle blast device

Suppressor-based device that redirects muzzle blast away from the shooter and bystanders.

Boltlok QD mount

Suppressor mounting system

Quick-attach mounting system for suppressors, with a closed locking mechanism designed to resist fouling and seizing when hot.

End users

Land ForcesHomeland Security & Police

Credentials & affiliations

Certifications

ISO 9001:2015

Issued by: Bureau Veritas

Industry memberships

AFDA

Other defense companies in Finland

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