Start a build Log in

Parts by category

Mk4 Banshee Upper Receiver Group, 5.56 NATO, 12.5", Armor Black

Mk4 Banshee Upper Receiver Group, 5.56 NATO, 12.5", Armor Black

CMMG · Upper Receiver

No ratings yet

Best price

$849.99at OpticsPlanet

In stock Sale checked Oct 14, 2026

Buy at OpticsPlanet

Where to buy

StorePriceAvailability
OpticsPlanet $849.99Salechecked Oct 14, 2026 In stock Buy

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

Lowest in-stock price in the last 30 days: $849.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 5, 2026.

Show the prices as a table
StoreLatestLowestHighest
OpticsPlanet$849.99$849.99$849.99

Since Oct 5, 2026.

About this part

The Mk4 Banshee Upper Receiver Group, 5.56 NATO, 12.5", Armor Black is a 12.5" 5.56 / .223 upper receiver from CMMG. One store lists it, OpticsPlanet at $849.99. The lowest in-stock price in the last 30 days was $849.99 at OpticsPlanet.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length
12.5" · Handguards

Specifications

Manufacturer
CMMG
Color
Black
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

Complete 12.5-inch 5.56 upper group from CMMG's Banshee line.

Similar upper receivers

More CMMG parts

Builds that use this part

Rating

No ratings yet

Log in to rate this part.

Comments

Please log in to read and leave comments.

$849.99 at OpticsPlanet
Buy