TAPCO Ejection Port Door Cover Kit - Upgrade your AR-15 with the TAPCO Ejection Port Door Cover Kit, designed for easy installation and reliable performance on most standard .223/5.56 models. Say goodbye to the hassle of a C-clip-this kit features an innovative knurled rod, ensuring a secure fit and streamlining assembly. Crafted for durability, the TAPCO ejection port door cover is built to withstand rigorous use, making it a great choice for tactical and everyday AR-15 enthusiasts alike. Simplify your setup and enjoy enhanced reliability with this essential upgrade. Fits most standard .223/5.56 AR-15 upper receivers Eliminates the need for c-clip 6061 Machined Aluminum Knurled ejection port rod & spring included