The Night Fision SAW201007OGZ product is manufactured by Night Fision using a unique injection molding process. It is crafted from high-grade, military-level polymer that incorporates durable polymer tritium outlines. This design feature not only ensures flexibility but also ensures unequalled visibility during daytime. Apart from the inclusion of tritium vials imported from Switzerland, all elements of Night Fision products are made entirely within the USA.The Perfect Dot night sight set model features a square front with a green tritium and orange outline, as well as a black u-notch at the rear. This design is compatible with S&W M&P/M&P M2.0/SD9 and 40 VE, however it is not recommended for use with M&P Shield and CORE models.