The SilencerCo Sparrow 22 is a compact, user-serviceable rimfire suppressor designed for reducing report on rimfire and small-caliber platforms. The Sparrow 22 is multi-caliber rated up to 5.7x28mm and uses a direct-thread 1/2-28 interface for simple mounting; it also accepts Delta-style adapters for alternate fitment. Intended use includes range, small-game hunting, and quieting rimfire training sessions while providing easy field maintenance via its patented Multi-Part Containment (MPC) design.
Key Specifications
- Compatible Calibers: Conflict — verify: .22 LR / .17 HMR / .22 Mag / .22 WMR / .22 Hornet / 5.7x28mm (some sources also list .17 WSM) — multi-caliber rated; verify exact chamber list for your firearm.
- Rated / Max Caliber: 5.7x28mm (stated maximum rating).
- Mount Type: Direct Thread — intended for 1/2-28 direct attachment; compatible with Delta-style adapters.
- Thread Pitch: 1/2-28 common rimfire thread pattern.
- Overall Length: 5.08 inches for a compact footprint on short barrels.
- Diameter: Conflict — verify: 1.06 in / 1.07 in / 1.062 in — check exact outside diameter for compatibility with rails/sleeves.
- Weight: Conflict — verify: 6.1 oz / 6.5 oz — weight varies between listings; confirm with manufacturer.
- Materials: 316 SS & 17-4 SS construction (stainless steel components noted).
- Finish: Black Oxide / Black (applied finish over stainless components).
- dB Reduction: 41 dB (listed reduction figure; measured values vary by caliber and test method).
The Sparrow 22 emphasizes serviceability with MPC internals for easy disassembly and cleaning, and it supports Delta adapters for broader host compatibility. Provided source data shows one or more spec conflicts — verify details before publication. For specs not listed here, reference the manufacturer’s website. Gundalorians… gear up.
*All Suppressors, Silencers, SBR’s, Machine Guns, and any other NFA regulated items require NFA Forms, Fingerprints, and the $0 Tax Stamp. NFA Rules subject to change.
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