Large Volume Dispensing in Less TimeDesigned specifically for use with 3M dual-syringe cartridges, our 3M™ Pneumatic Guns for 2-Part Cartridges are ideal for dispensing 3M seam sealers, sound deadeners, urethane plastic and epoxy SMC repair materials, adhesives and others for a very broad range of applications in collision repair. This applicator gun accepts standard air fittings for fast, efficient pneumatic operation, making it ideal for large volume jobs. An airflow adjustment knob at the handle adds control.