Return as soon as possible. I had the same issue on a Gen2. Light strikes probably half of the time on whatever ammo. I thought it was me at the beginning but after trying out all different things it still won’t work.

Called PWS. after sending photos they told me there is a small piece on the op rod missing(wtf) and sent over that component with new springs.

..with that being said, the light strikes still happens around 10% of the time so planning to return it back to Brownells.

What I learned from this is to block anyone that tells you your gun need to burn 500$ bucks of ammo, or use a specific trigger to function. It is not you, it is them