The Gun Store | Waterbury CT

166423

CMMG 30AB20FTNG Banshee MK4 300 Blackout 30+1 12.50″ Black Nitride Medium Taper Threaded Barrel, EML 7″ M-LOK Handguards, Tungsten Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips

April 22, 2026
101678

Seekins Precision 0010530053 NOXS M-LOK Rail System AR-15 Black Hardcoat Anodized 6005A-T6 Aluminum 15″ Picatinny

April 22, 2026

CMMG 55AC20AAB Banshee MK4 5.56x45mm 30+1 12.50″ Black Nitride Medium Taper Threaded Barrel, EML 11″ M-LOK Handguards, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips

$1,505.45

CMMG 55AC20AAB Banshee MK4 5.56x45mm 30+1 12.50″ Black Nitride Medium Taper Threaded Barrel, EML 11″ M-LOK Handguards, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips

3 in stock

SKU: TSW|166424 Category:

For those looking to balance carbine-length ballistic performance with the maneuverability of a compact AR pistol this BANSHEE Mk4 chambered in 5.56mm is ready to run. Designed to provide everything you need and more in an AR15, this BANSHEE is built on the ultra-modular Mk4 platform. Features EML handguards, full length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections; ZEROED parts including: pistol grip, drop-in trigger, 60/90 degree ambi safety, linear compensator 5.56mm, ambi mag catch, extended mag release button, AR15- ambi charging handle, bolt catch and polymer dust cover. Includes 30rd Magpul magazine.

UPC

810148624309

Manufacturer

CMMG

Manufacturer Part Number

55AC20AAB

Action

Semi-Auto

Barrel Length

12.5"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Model

Banshee

Product Type

AR

Safety

Ambidextrous

Sights

Optics Ready