XS Sights Systems has just implemented a product line name change, the sights formally known as the 24/7 Tritium Express are now referred to as the DXT Defensive Express Tritium Rear. Rest assured that even though the name may have changed the quality, craftsmanship and integrity of the product line remains the same. Designed to be the finest sights made for fast sight acquisition in any lighting condition, XS sights certainly don't disappoint. Simply put, by "dotting the I" you can be assured that you are on target quickly and accurately during the critical moments right before you break your shot. Don't settle for other imitations, get the original from XS Sights. Specifications and Features: XS Sight Systems DXT HK-0014S-5 Enhances sight acquisition in any lighting condition Low profile snag free design Excellent in high stress defensive situations Big Dot configuration Green Trijicon tritium Tritium Front/Tritium Rear Sight Set Metal Housing Matte Black Metal Finish Fits: HK P30/HK45/HK45C/VP9