Fig. 5From: Divergent gunshot residues and characterization of the memory effect in a .22 caliber revolver and pistolA Spectrum of Peters Golden Bullet unfired lead/calcium silicide (PbCaSi2) primer. B Spectrum of Aguila fired lead/calcium silicide (PbCaSi2) primer; the CuZn is from the casing. C Spectrum of Federal Power-Flite unfired PbSbBa primer. D Spectrum of Federal Power-Flite unfired PbBa primerBack to article page