As with all of Underwood Ammo™ rounds, we benefit from flash suppressed powder so that the eyesight won't be compromised if it becomes necessary to use your firearm in low light-weight. PMC is actually a manufacturer of Poongsan, a South Korean defense contractor which includes seen its US small business https://www.safeheavenfirearms.com/product/hsm-tipping-point-sierra-gamechanger-243win-90gr/