Home / AR Upper Components / CMMG EJECTION PORT COVER KIT MK3 View cart “LBE Unlimited ARFPN – Firing Pin” 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 SPRINCO ENHANCED CHROME MOLY EJECTOR AND SAFETY SPRING $4.39 Add to cart SOLGW GAS TUBE NITRIDE CARBINE LENGTH $19.00 Add to cart LBE Unlimited ARBGR – Bolt Gas Rings $2.99 Add to cart Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 3B – Large Latch $74.95 Add to cart