CMMG Banshee 9mm Upper with 5" Barrel, Black - 99B17FDAB
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CMMG
Overview
The CMMG Banshee 9mm Upper features a complete assembly with a 5" barrel, specifically designed for the AR-9 platform. This upper receiver operates on a blowback gas system, making it ideal for reliable cycling with 9mm ammunition. Builders often use this upper in compact setups geared toward versatility, making it a popular choice for those looking to create a lightweight, maneuverable firearm.
Specifications
CMMG Banshee 9mm Upper with 5" Barrel, Black - 99B17FDAB
Build history on GunPartPicker
Builders have been adding the CMMG Banshee 9mm Upper with 5" Barrel, Black - 99B17FDAB to their builds on GunPartPicker since March 2026. All time, it ranks #914 of the 1,646 upper receivers builders have added.
Today the one retailer we track is out of stock. Listed prices start at $716.63 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 7 builds that include this one
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WMD Guns Nitromet Receiver End Plate
Builds Featuring This Part
See all 1 →Builds in the community that include the CMMG Banshee 9mm Upper with 5" Barrel, Black - 99B17FDAB
| Build | Parts | Total |
|---|---|---|
 | 14 | $1680.78 |
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