Subsonic Ammunition That Won't Cycle the Action: Good or Bad?

About a week ago, JMac Customs has published a video where they were shooting a suppressed AK chambered in 5.45x39mm. The standard supersonic ammunition performed as expected, decreasing the sound to a hearing safe level. However, they were also shooting Detroit Ammo Co. subsonic 5.45x39mm ammunition which wasn’t powerful enough to cycle the action rendering the gun to a manual repeater. My first reaction was that this ammunition is worthless for a semi-auto gun. However, later I thought about a situation where this kind of ammunition can actually be useful. Let’s watch the mentioned video first.

Read more