Blitzkrieg Sight Post for MBUS PRO - Flat Tip, Tritium Dot, Green Circle The Blitzkrieg Components Flat Circle Dot Front Sight Post for the Magpul MBUS PROA(R) sights provides superior sighting with a conventional flat tip and a bold, fast sight picture. The contrasting Green Polymer Ring with Tritium Dot in the center gives the shooter an eye catching sight picture that excels in both bright-light and low-light environments. The Tritium Dot is larger for maximum brightness. It is very fast and very easy to see. Our sight posts are precision machined from billet 416 Stainless Steel for an outstanding sight picture and precise fit in the popular Magpul MBUS PROA(R) front sight housing. Has a matte black oxide finish. The Green Ring is a polymer sleeve around the tritium insert. This gives you a green polymer ring which stands out well against different types of backgrounds and targets in daylight environments and a tritium dot that glows green in the dark. Simple Drop-In installation with no tools required. Simply unscrew the factory sight post by hand and screw in the Blitzkrieg Components sight post using the sight's elevation adjustment knob and you are ready to go. Features: Billet Machined 416 Stainless Steel Construction Black Oxide Matte Finish Green Ring is a Polymer Sleeve around a Large Tritium Dot in Center Bold, Fast Sight Picture Conventional Flat Aiming Point Drops into Magpul MBUS PROA(R) Front Sight Housing without tools Fit: Only fits the Steel Magpul MBUS PROA(R) sights. Does not fit the polymer Magpul MBUS Gen 2 or Gen 3 sights. If you have a polymer Magpul MBUS Gen 2 sight, then you need to chose one of our AR Sight Posts for it. If you have a Magpul MBUS Gen 3 sight then you will need an MBUS 3 sight post since they are different.