MTM Chamber Indicator Flags are rugged, brightly colored polypropylene flags that allow for easy recognition of an empty firearm chamber. Sold as an 8-pack, there are four pistol flags and four rifle flags included. These work for auto loading and bolt action rifles. FeaturesMade of long-lasting polypropyleneLong enough to extend well into the bore for added safety8-pack: 4 pistol and 4 rifle