With so many firearm parts and accessories available, the possibilities are limited only by the imagination. Some of these parts need specialized care and installation. There is also the normal every day care and maintenance required to keep your firearms operating at safe and efficient levels. Over time, cleaning chemicals, oils, and powder residue will build up and cause your firearm to misfire or fail to chamber or eject a cartridge. Most of the time you don't find this out until that critical moment and "click" ......... your target disappears. It is worth a few bucks to have that gun running at peak performance before you set out for the field.