Home / AR Upper Components / CMMG EJECTION PORT COVER KIT MK3 View cart “SOLGW GAS TUBE NITRIDE PISTOL LENGTH” has been added to your 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 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 Bravo Company Manufacturing BCMGUNFIGHTER Ambidextrous Charging Handle Mod 3×3 – Large Latch $89.95 Add to cart SOLGW GAS TUBE NITRIDE MID LENGTH $19.00 Add to cart FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Add to cart