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FN 57-22 Silencer for the FN Five seveN by GSL Technology


Caliber: 5.7 x 28mm
Sound Reduction: 32 dB
Length: 5.8” with no adapter
Diameter: 1.25″
Weight: 5.2 oz. with no adapter
Materials: 7075 Aluminum
Mount: 10x1mm (FN Thread Pitch) & 1/2×28

In stock


Packing Includes the following:
(1) Suppressor
(1) 10x1mm direct thread adapter
(1) 1/2×28 direct thread adapter

*Requires specially licensed dealer. Please check with your FFL to ensure they can accept a silencer for transfer prior to making your purchase. All NFA rules apply. Please visit ATF.gov for more information.

The FN 57-22 silencer by GSL Technology was originally developed for FN in the mid 1990’s for use on the FN Five seveN. It has 10x1mm threads and comes with a 1/2×28 adapter for use on most common .22 caliber firearms.

Rated for 5.7 x 28mm pressures and lower. Designed to be fired completely dry only.

Never use with ammunition that exceeds SAAMI or NATO pressure specifications.

Additional information

Weight 14 oz





Item Type


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