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 Out of stock FORWARD CONTROLS DESIGN LDFA-A LOW DRAG FORWARD ASSIST BLACK NITRIDE SERRATED $39.99 Read more Out of stock FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Read more YHM DUST COVER ASSY 300 BLK $13.75 Add to cart Out of stock AERO PRECISION 5.56 AR15 BOLT CARRIER GROUP BLACK NITRIDE $154.99 Read more