CMMG AR-15 Banshee 100 Mk4 Pistol Upper Receiver Assembly 4.6x30mm 8″ Barrel M-LOK Handguard



CMMG delivers its lightest and most compact firearms within the Banshee line of Short Barreled Rifles (SBR’s) and AR pistols. Don’t let these little guys fool you though – there’s plenty of firepower in the Banshee 100’s. This upper receiver features a forged 7075-T6-AL M4 upper receiver assembly with a bolt carrier group, and a Cerakoted receiver and handguard. The Banshee is the right combination for you when concealment and portability matter the most.


  • Forged 7075-T6 AL M4 type upper receiver
  • Cerakoted Receiver and Hand Guard
  • Complete Bolt Carrier Group Included

Made In United States of America


Product Information

Cartridge 4.6x30mm HK
Color Armor Black
Finish Cerakote
Material Aluminum
Weight 3.2 Pound
Barrel Length 8 Inches
Twist 1:5.9 Inches
Threads 1/2″-28
Barrel Contour Mid Tactical
Barrel Finish Salt Bath Nitride
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Micro
Upper Receiver Type A3 Flat-Top
Barrel Material 4140 Chrome Moly Steel
Handguard CMMG EML7 M-LOK
Bolt Carrier Assembly Included Yes
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight 3.710 Pounds
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