Griffin Armament M2 Micro Modular Rear Sight Black Small. Each of these AR 15 Parts by Griffin Armament is constructed from QPQ treated 17-4 ordinance grade steel for extreme ruggedness in rough conditions and to support harsh recoil. What makes the Griffin Armament M2 Rear Sight GAM2R so intriguing is that it can be used in the standard 12 o'clock mounting position but also has the flexibility to transform into an ambidextrous 45-degree angle sight by using the alternate angle plates. A low profile makes this a sleek sighting option while ideal spring tension ensures reliable repeatability in the field. If you're seeking a sight that offers unheard of capabilities then check out this Griffin Armament M2 AR-15 Rear Sight. Specifications for Griffin Armament M2 Micro Modular Rear Sight: Manufacturer: Griffin Armament Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Rear Front Sight Color: REAR SIGHT ONLY Rear Sight Color: Black Deployable: Yes Fabric/Material: 17-4 Stainless Steel Size: Small Illumination Type: Non-Illuminated Included Accessories: None Illumination Color: None Hand: Ambidextrous Mount Type: Picatinny Attachment Type: Picatinny Features of Griffin Armament M2 Micro Modular Rear Sight Compatible with Picatinny rail systems Low profile Flexibility to reconfigure them to ambidextrous 45 degree angle sights using the alternate and available angle plates Snag resistant Package Contents: Griffin Armament M2 Micro Modular Rear Sight Griffin Armament GAM2R: M2 Micro Modular Rear Sight Black Small