The Luth-Ar LLC A2 Rear Sight Base Spring Pin is a high-quality component designed specifically for the AR-15 platform. Featuring a natural finish this spring pin is engineered for durability and reliable performance in maintaining the rear sight assembly of your firearm. Ideal for gun enthusiasts and professional gunsmiths alike it ensures a secure fit and smooth operation making it an essential part for maintaining the accuracy and functionality of your AR-15.