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 Out of stock SIONICS Upper Receiver Parts Kit $29.95 Read more BADGER ORDINANCE Universal Safety Selector $58.00 Add to cart AERO PRECISION 5.56 AR15 BOLT CARRIER GROUP BLACK NITRIDE $154.99 Add to cart SPRINCO ENHANCED CHROME MOLY EJECTOR AND SAFETY SPRING $4.39 Add to cart