 The mine is fitted with two secondary fuze wells on the side and bottom to enable anti-handling devices to be fitted.The M6 and M6A1 variants were fitted with chemical fuzes, the M600 and M601, the later M6A2 used the mechanical M603 fuze.The mines are found in Angola, Cyprus, Korea, Lebanon, Rwanda, Thailand, the Western Sahara, although these may in fact have been M15 mines that were misidentified.