Not to be critical but I gotta agree with Old Grumpy Guy. We needed a field test and a description of how to dial it in.

Works good on a Prometheus 7 inch 556 shoebox gun. If you don’t know, the Prometheus seven has a detachable barrel on quick disconnect, folding but stuck, will fit in any glove box with up to three magazines 30 round. Of course, it is a great CQC gun but you must have ear protection!!! They are extremely loud, and you will lose hearing if you fire this without your ear pro protection. My only complaint is there are much better batteries out there that take up less space in a different manner that would allow this thing longer battery life, as a result, I run it as a pin point with my infrared optics. Works great, looks evil as shit in the shoot house, especially win. Smoke is deployed. Just remember your battery limitations, I recommend extra batteries carried in a UTG, sniper grip, or any other pistol grip with a battery compartment, build in.

Wow where were u

Haven’t you ever heard of mounting lasers shotguns.

Instructions unclear, there is now a bb sized hole in my wall

This tells me nothing..........Field test it.