Product Summary
The CMMG Mk4 AR-15 Ejection Port Cover Kit is a premium upgrade designed to enhance the durability and functionality of your firearm. This kit features a robust ejection port cover that protects internal components from dust, dirt, and debris for reliable performance in harsh environments. It also includes an integrated gas deflector engineered to redirect spent gases, significantly reducing gas blowback for a more comfortable shooting experience. Compatible with 9mm and .22 LR calibers, this precision-crafted kit is essential for maintaining your AR-15 in optimal condition.
