Not even …I don’t think any type of aluminum can handle any type of rifle round. Pistol caliber is one thing. Rifle round is a whole new animal. I shoot .223 green tip through 1/4” mild steel like butter.
Keep in mind max (discharge) operating temp for the battery is 80C and recommended is <60C. Hard to say how hot the battery was while doing this, maybe not 80C since you were outdoors but I am surprised it lived.
Yes the test went beyond all safety recommendations to prove the robustness of the light circuitry.
In practice with accordance to Sky Lumen Purchase Agreement all lights temperature should be monitor with bare hands and must be turned down several level or OFF once the light reach the “Too Hot To Hold” temperature. In this specific case, 2.5min was is the recommended time to throttle back.
In hindsight, the light forwards switch code name FS54 is especially impressive considering the circumstances.
I would be VERY surprised if it could stand up to 9mm. LockPickingLawyer and BosnianBill recently shot a bunch of locks and InRangeTV has been doing AR500 armor penetration testing.