Home / AR Upper Components / CMMG EJECTION PORT COVER KIT MK3 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 SOLGW 5.56 BOLT CARRIER GROUP 158 CARPENTER SP/HPT/MPI $179.00 Add to cart LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart BCM LOW PROFILE GAS BLOCK 625 $44.95 Add to cart Out of stock FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Read more