In StockSave 12%
Ar-15/M16 Ejection Port Cover Kit With Gas Deflector - Ar15/M16 Ejection Port Cover Kit W/ Gas Deflector
Sold byBrownells•Posted Apr 28, 2026
Compare prices for CMMG Mk4 AR-15 Ejection Port Cover Kit with Gas Deflector 9mm, 22 LR$12.99
$14.77
You save $1.78 (12% off)
Price and stock data refresh continuously from Brownells.
Deal Summary
- Currently in stock.
- Caliber: 22lr
- Category: parts
- UPC: 815835016436
- SKU: 100015808
- Brand: Cmmg
Price History
Deal Details
Ideal for 9mm or .22LR builds, this drop in ejection port cover kit comes with a steel cover, pin, spring, and polymer gas deflector. Deflector is intended to keep gas and residue out of the shooter's face, using it as a brass deflector on anything larger than .22LR can result in damage. Cover comes with detent and detent spring installed. Mfg: Cmmg SPECS: Steel, matte black. Deflector - Polymer, black.
Other Offers for This Product
Active offers from your catalog for CMMG Mk4 AR-15 Ejection Port Cover Kit with Gas Deflector 9mm, 22 LR.
Comparing 7 retailers carrying this product
Lowest Price: $12.99
Highest Price: $22.99
You Save: $10.00
Avg Discount: 9% off
Ar-15/M16 Ejection Port Cover Kit With Gas Deflector - Ar15/M16 Ejection Port Cover Kit W/ Gas Deflector
CmmgBrownellsSKU/UPC: 100015808
$12.99$14.77Save 12%
View at Brownells
CMMG 9MM Ejection Port Cover Kit - 22BA627
CmmgPalmetto State ArmorySKU/UPC: 800851
$13.99$15.99Save 13%
View at Palmetto State Armory
CMMG Mk4 AR-15 Ejection Port Cover Kit with Gas Deflector 9mm, 22 LR
CmmgMidwayUSASKU/UPC: 294246
$14.49
View at MidwayUSA
CMMG 9MM Ejection Port Cover Kit, Includes Ejection Port, Rod, Brass Deflector, and Spring 22BA627
CmmgHinterland OutfittersSKU/UPC: 216302
$15.35
View at Hinterland Outfitters
CMMG 9mm Ejection Port Cover Kit with Gas Deflector Black
CmmgGrabAGunSKU/UPC: GAG_RES-CMMG22BA627
$15.39$15.95Save 4%
View at GrabAGun
CMMG Inc Ejection Port Cover Kit w/ Gas Deflector
CmmgOptics PlanetSKU/UPC: 2CM-EPC-22BA627
$17.99$27.99Save 36%
View at Optics Planet
CMMG Ejection Port Cover Kit with Gas Deflector for AR-15/M16
CmmgAmmunition DepotSKU/UPC: 22BA627
$22.99
View at Ammunition Depot