EntityQ217539· pop 8· linked from 289 articlesheadspaceSign in to saveIn a firearm; the distance measured from the face of the bolt to the part of the chamber that stops forward motion of the cartridgeConnectionscenterfire cartridgeEntityInternational Standard Book NumberEntityfirearmEntitybulletEntitycartridgeEntity.45 ACPEntitybolt actionEntitysmokeless powderEntityASTM InternationalEntitytool steelEntityfiring pinEntity.303 BritishEntitygo/no go gaugeEntityrimfire cartridgeEntityCommission Internationale Permanente pour l'Epreuve des Armes à Feu PortativesEntityextractorEntityhandloadingEntityrimEntitySporting Arms and Ammunition Manufacturers' InstituteEntityglossary of firearms termsEntityCategoriesAmmunitionFirearm actions