CMMG Banshee Mk4 Upper Group 5.56x45 12.5" Black - 55BDFF4AB

This CMMG Banshee Mk4 upper group pairs a 12.5" barrel with a complete bolt carrier group and linear compensator, designed for compact AR pistols or SBRs while maintaining carbine-like ballistic performance. The upper is compatible with standard AR-15 Mk4 lower receivers and includes a polymer dust cover and ambi charging handle. Available in multiple Cerakote finishes with factory-zeroed accessories.