Patent ID: 8460486

Claim:
A percussion primer composition comprising: an explosive consisting essentially of at least one moderately insensitive explosive and optionally a low output sensitizing explosive, the at least one moderately insensitive explosive chosen from pentaerythritol tetranitrate (“PETN”), 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo [5.5.0.0. 5,9 0 3,11 ]-dodecane (“CL-20”), cyclo-1,3,5-trimethylene-2,4,6-trinitramine (“RDX”), cyclotetramethylene tetranitramine (“HMX”), and mixtures thereof; a plurality of aluminum particles having an average particle size of about 0.1 microns to about 5 microns; and an oxidizer; wherein the primer composition is essentially devoid of other explosives except for the optional low output sensitizing explosive.