If you own a 12-gauge shotgun then chances are that it is either a pump-action shotgun or a semi-automatic shotgun. Both types of shotguns can do significant damage to the target it hits. However, like all firearms, they are quite loud and could possibly scare away other potential living targets. As for those in a combat situation, shooting a shotgun could alert additional enemy forces of your whereabouts. For this reason, you would need a silencer attachment for your shotgun to prevent those loud sounds from being made.
Offtopic abot AK-47 today. This suppressor is built for 7.62×39 caliber. Manufacturer has suppressors for other calibers as well. This is the 3rd Generation of the Strela suppressors. First suppressor was made by this company after the start of war on the east of Ukraine. Army, law enforcement and special forces needed inexpensive and quality suppressors for their work. I know that there is huge difference between Gen 1 and Gen 3. Silencer is made of a high-quality AISI 304 stainless steel and fit AK-47 rifles without any problems. This AK-47 silencer is affordable and costs just $237.5