[B-Class] G36KA4 Aluminum Upper Rail with Flip-up Sights

B-class with repaired picatinny rail section Product Name: Airsoft Replica of the G36 KA4 IDZ Rail in milspec Materials: Upper Rail: T6 aluminum Front Sight: 45 steel Rear Sight: 45 steel All other small parts: 45 steel Surface Treatment: Steel QPQ matte black Aluminum oxidized matte black Compatibility: The replica is designed to fit VFC G36 GBB. Other airsoft models such as S&T, Ares, Specna Arms, and WE may require slight modification for fitting.