Premium TRUGLO® BUIS for SIG® 320

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For use with TangoDown SIG 320 SSM-02/SSM-003 Mount Plates. 

Premium Front & Rear BUIS set, for optimum use with Night Vision Devices.

Manufactured by TRUGLO®, to TangoDown, Inc specifications. Front sight White Dot only, no Tritium.

Professional Gunsmith installation of BUIS required*.

1 Year Limited Warranty, contact us ( for details*.



Be sure of your purchase! Once installed, sights cannot be returned.

TangoDown, Inc recommends that only a qualified gunsmith with a proper sight-pusher device perform the installation. Some fitting may be required, and require the skills of a qualified gunsmith. Misuse/abuse, improper installation techniques (impact method, mallet & drift, etc.,) are not covered, and void any warranty.

Tritium vial component has a natural glow deterioration of 12 years, and is not covered by warranty. Warranty is for fit and finish only. Contact us for further details.


-Front sights are precision machined steel, with optional HD ring/Tritium dot (specify)

-Rear sights are non-Tritium, with location-locking set screw

-Manufactured by TRUGLO®, an Industry leader in tritium sights


TangoDown does NOT ship outside the United States

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