CMMG MK4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in 1-7 Twist 1/2 X 28 TPI 18.8in Armor Black
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Overview
The CMMG MK4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in 1-7 Twist 1/2 X 28 TPI 18.8in Armor Black is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
CMMG MK4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in 1-7 Twist 1/2 X 28 TPI 18.8in Armor Black
Build history on GunPartPicker
Builders have been adding the CMMG MK4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in 1-7 Twist 1/2 X 28 TPI 18.8in Armor Black to their builds on GunPartPicker since March 2026. All time, it ranks #963 of the 1,714 upper receivers builders have added.
Today none of the 2 retailers we track has it in stock right now. Listed prices start at $646.23 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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