Let's watch the video by HSLD LLC to find out for curiosity's sake... "In today's video we will be discussing the effects of adding a real firearm suppressor to an airsoft replica. Specifically we will be identifying the effects on accuracy. More broadly, we will also discuss the differences in accuracy expectations when comparing real firearms to airsoft, the inherent issues with airsoft accuracy, and then general functionality of an airsoft replica."

HSLD LLC tries different BB weights if they affect the accuracy of airsoft guns... "In today’s video we will be looking at the practical accuracy from a VFC/Cybergun Scar H (MK17) and evaluating the differences that a change in bb weight can make to the accuracy of an airsoft replica.