Caulk Master Professional Air Powered Dispensing Gun The PG110 dispensing gun will handle any 10.3 oz cartridge. Tool comes with a 3 foot air hose and standard fitting to easily connect to a high-pressure regulator and air tank or compressor (purchase se[arately). Unique twist lock bayonet barrel mount makes the insertation and removal of cartridges easy and convenient. Comman grip will handle all sealant, caulk and adhesives.