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Questions & Answers
Does this upper accept standard AR-15 barrels? Expert Answer

Yes, the CMMG Mk4 Banshee Upper Receiver Group can accept standard AR15 pattern barrels and parts.

by Ethan, Gear Expert, June 15, 2023
Does this upper operate on the radial delayed blowback system? Expert Answer

No. These CMMG Mk4 Banshee Upper Receiver Groups feature Direct Impingement operating systems and include a BCG and Charging handle.

by Ethan, Gear Expert, December 7, 2022
Customer Reviews
Most Recent Reviews 300 black in the 8.5 barrel is sweet by Ms SBR, Verified Owner, July 12, 2024
Really wish I could update photos of the finished product. It was a nice beautiful upper and a psycho brace and copper pretty well heaven really found steel shell case for 300 blackout but I’m pretty sure it will probably feed that as well
Read 1 Review
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Product Info for CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator

300BLK has proven itself to be an incredibly capable round in a variety of applications, from close quarters to mid-range and ammo loadings optimized for subsonic/suppressed as well as supersonic, there is use for almost every need. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build, this 8 BANSHEE upper group is sure to satisfy anyone looking for one of the most compact and stylish 300BLK upper groups made today.image

WARNING: California`s Proposition 65

Specifications for CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator:

Manufacturer: CMMG
Barrel Profile: Medium Taper
Barrel Twist Rate: 1-7
Muzzle Device: Linear Compensator
Finish: Cerakote
Color: Armor Black
Fabric/Material: Forged 7075-T6 Aluminum
Gas Block Journal Size-Diameter: .750 in
Gun Rail: M-LOK
Gun Type: Rifle
Gun Make: CMMG
Gun Model: CMMG Mk4
Weight: 2.2 - 3.9 lb
Condition: New
Magazine Included: No

Package Contents:

  • CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator

CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator Orderable Models

List of Orderable Models

CMMG Mk4 Banshee Upper Receiver Group, 4.6x30 H&K, 8in, Armor Black, 46B965A-AB , MPN: 46B965A-AB , UPC: 810097503755 , Code: 2CM-URC-CMGVB-46B965A-AB
CMMG Upper Group, Banshee, Mk4, .300BLK, 12.5in, Armor Black, 30B8A6F-AB , MPN: 30B8A6F-AB , UPC: 810097502499 , Code: 2CM-URC-CMGVB-30B8A6F-AB
CMMG Mk4 Banshee Upper Receiver Group, 5.56x45mm NATO, 12.5in, Armor Black, 55BDFF4-AB , MPN: 55BDFF4-AB , UPC: 810097503960 , Code: 2CM-URC-CMGVB-55BDFF4-AB

CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator Unavailable & Discontinued Models

List of Unorderable Models

USED DEMO, CMMG Mk4 Banshee Upper Receiver Group, 4.6x30 H&K, 8in, Armor Black, 46B965A-AB, EDEMO1, Condition Parts Only/Salvage, Wrong Product , MPN: 46B965A-AB-DEMO-EDEMO1 , Code: 2CM-URC-CMGVB-46B965A-AB-DEMO-EDEMO-WP-F
DEMO, CMMG Mk4 Banshee Upper Receiver Group, 4.6x30 H&K, 8in, Armor Black, 46B965A-AB , MPN: 46B965A-AB-DEMO , Code: 2CM-URC-CMGVB-46B965A-AB-DEMO
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