Lasermax Battery For Glock/Sig Sauer Laser1.5 volt silver oxide replacement batteries for guide rod lasers that fit Glock 17, 19, 20, 21, 22, 23, 31(w/sn# prefix AA, AAA, B, BB, BBB, E, GGG). Sig laser systems (w/sn# prefix CC, D, DD, Q). S&W Sigma 1240/1241 (w/sn# prefix "AA") 3" sub-compact, 4" .45 ACP. 1911 full size Government models (w/sn# prefix CF). Approximate 5 year shelf life.
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