The Griffin Armament M2 Flip-Up Sight Kit is a versatile and reliable option for AR-15 enthusiasts. Designed for compatibility with Picatinny rail systems these backup sights offer a unique modular base plate system allowing users to customize their setup to fit various shooting needs. Constructed from QPQ Treated 174 and ordnance-grade steel the M2 sights are built for durability and precision. The front sight features elevation adjustment capability accommodating a range of aftermarket posts while the rear sight offers secure and easy windage adjustments with its low-profile design. With robust spring tension ensuring consistent performance the M2 sights provide a dependable aiming solution in any weather condition all without relying on batteries or optics. Weighing just 2.5 ounces they offer one of the most compact and lightweight backup sight options available on the market.