Enhance the performance of your 308/7.62 rifle with the CMMG Mk3 Ejection Port Cover Kit. This essential component includes a durable ejection port rod and spring designed to ensure reliable operation and maintain the integrity of your firearm. Finished in sleek black this kit not only offers functionality but also complements the aesthetic of your rifle. Tailored specifically for the Mk3 model it provides a precise fit and dependable durability making it an ideal choice for enthusiasts seeking quality and performance.