Beretta gas port cleaning tool

Beretta 303,390,390 and most 400 and 300 guns. ACCORDING TO BERETTA, THIS IS THE PROPER SIZE TO CLEAN THE PORTS IN THE BARREL ON . MOST 303,390,391,400AND 300 GUNS.
WILL NOT ENLARGE THE HOLES BUT CLEANS THE CRAP OUT OF THE HOLES TO MAKE THE GUN CYCLE. YOU MAY ALSO NEED A NEED AN ACTION SPRING BUT THIS USUALLY DOES THE JOB. 15 DOLLARS PLUS 5 dollars POSTAGE TO YOU. . I have several of these if you need more