Milwaukees new M12 caulk and adhesive gun is the most compact and lightest weight cordless powered caulk gun on the market. Designed to be the ideal hand tool replacement, the M12 caulk gun is optimized for use with common construction sealants and adhesives. Powered by the M12 Red Lithium battery technology, the tool will dispense up to 150 10 oz tubes of building sealant on one charge.