Home / AR Upper Components / CMMG EJECTION PORT COVER KIT MK3 “CMMG EJECTION PORT COVER KIT MK3” has been added to your cart. View cart CMMG EJECTION PORT COVER KIT MK3$14.95 2 in stock [] CMMG EJECTION PORT COVER KIT MK3 quantity Add to cart UPC: 815835016429 SKU: 38BA538 Category: AR Upper Components Tag: CMMG Product ID: 3433 Description Description Includes Mk3 ejection port, rod, and spring. You may also like… CMMG EJECTION PORT COVER KIT MK3 $14.95 Add to cart Related products YHM DUST COVER ASSY 300 BLK $13.75 Add to cart Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 3B – Large Latch $74.95 Add to cart BCM LOW PROFILE GAS BLOCK 625 $44.95 Add to cart Out of stock SOLGW 5.56 BOLT CARRIER GROUP 158 CARPENTER SP/HPT/MPI $179.00 Read more