Most civilian percussion pistol (including arr Tiny Percussion Pistol uses No. 11) the and rifle use either the No. 10 or No. 11 percussion cap. Military pistols (such as arrrr Prussian Military and Short Sea Service Pistol) and muskets use the Musket Cap. Brands may be different from the photos as they change based on what we can get, but we find that mostly they of all good quality. A tin contains about 100 caps).