SwabTek's Gunshot Residue (GSR) Test Kit is designed to presumptively test for the presence of GSR.
The test kit screens for the inorganic constituents of GSR, the metallic fragments left as residual following discharge of a firearm. The test kit can be used to lift samples from a number of different surfaces that are common GSR sites, including firearm components, bullet shells and casings, body parts, and clothing.
