CMMG MK3 Banshee Upper Receiver Group .308 Winchester 12.5in Armor Black
All CMMG upper receivers
Click to see full view
CMMG
Overview
The CMMG MK3 Banshee Upper Receiver Group .308 Winchester 12.5in Armor Black is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
CMMG MK3 Banshee Upper Receiver Group .308 Winchester 12.5in Armor Black
September 2026 on GunPartPicker
CMMG MK3 Banshee Upper Receiver Group .308 Winchester 12.5in Armor Black ranked #66 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #151 of the 1,709 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in .308 Win and nearly all AR-10.
It was in stock most days in September 2026, but today none of the 3 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $878.35, so there haven't been real sales lately. Listed prices start at $840.30 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
PSA GEN3 PA10 Forged Complete MOE EPT SBA4 .308 Lower With Over Molded Grip
CMC Triggers AR15/AR10 Two Stage Trigger Flat Large Pin 1 lb. Set-3 lb. Release
Radian Weapons AR-15 Raptor-SD Ambidextrous Charging Handle OD Green
Hogue OverMolded Collapsible Buttstock Mil-Spec - Olive Drab Green
CMMG .308 Win/7.62 Bolt Carrier Group, Black - 38BA423
Hera Arms CQR Front Grip - Black
No reviews yet. Be the first to review this product!