AR15/M16 Ejection Port Cover Kit W/ Gas Deflector

Name: AR15/M16 Ejection Port Cover Kit W/ Gas Deflector
Brand: CMMG
Availability: InStock

CMMG · Upper Parts

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Best price

$14.77at Brownells

In stock checked Oct 1, 2026

Buy at Brownells

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Where to buy

Store	Price	Availability	Buy
Brownells Best price	$14.77checked Oct 1, 2026	In stock	Buy at Brownells
MidwayUSA	$14.79checked Oct 1, 2026	In stock	Buy at MidwayUSA
Ammunition Depot	$21.99checked Oct 1, 2026	In stock	Buy at Ammunition Depot
Palmetto State Armory	$13.79checked Sep 30, 2026	Check store	Buy at Palmetto State Armory
OpticsPlanet	$17.99Salechecked Oct 1, 2026	Out of stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $14.77 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$21.99	$21.99	$21.99
Brownells	$14.77	$14.77	$14.77
MidwayUSA	$14.79	$14.79	$14.79
OpticsPlanet	$17.99	$17.99	$17.99
Palmetto State Armory	$13.79	$13.79	$13.79

Since Sep 27, 2026.

About this part

The AR15/M16 Ejection Port Cover Kit W/ Gas Deflector is an AR-15 upper part from CMMG. It's sold by 5 stores (3 in stock), from $13.79 to $21.99. The lowest in-stock price in the last 30 days was $14.77 at Brownells.

Specifications

Manufacturer: CMMG
Type: Ejection Cover
Platform: AR-15

From the manufacturer

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.