CMMG Banshee Mk4 Pistol

300 BLK · 30rd · 6.5" Barrel · Direct Impingement · Faux Suppressor · 3 Silicone Covers · ZEROED Controls · RipBrace · Armor Black Cerakote The CMMG Banshee Mk4 is a 300 BLK pistol with direct impingement gas system and pistol-length gas port. 6.5" 4140CM nitride barrel with 1:7 twist and 5/8x24 muzzle thread. .750" adjustable gas block. Faux suppressor blast diverter tucks inside the 11" M-LOK handguard (1.72" inner diameter) for suppressor-profile appearance with no NFA registration required. Includes three silicone SD-style handguard covers for hand protection—install in any M-LOK slot position. ZEROED premium controls throughout: ambi charging handle, 60/90 ambi safety selector, single-stage drop-in trigger, ZEROED trigger guard, ZEROED pistol grip. Mk4 billet 6061-T6 aluminum upper. Mk4 forged 7075-T6 aluminum lower. CMMG RipBrace on FASTBACK 6-position receiver extension. Carbine buffer. Magpul 30-round PMAG included. Armor Black Cerakote. 5.8 lbs. 26.1"–28.6" OAL. CMMG Lifetime Quality Guarantee. SKU: 30A0E28-AB. Note: M-LOK accessories adjacent to faux suppressor location may require modified or shortened mounting screws—verify clearance before use.

Faux Suppressor Blast Diverter

Faux suppressor blast diverter on 5/8x24 threads tucks inside the 11" M-LOK handguard. Suppressor-profile appearance with no NFA paperwork. 1.72" inner diameter also clears most real suppressors if desired.

3 Silicone SD-Style Handguard Covers

Three silicone SD-style handguard covers install in any M-LOK slot position for hand protection during sustained firing. Eliminates need for gloves after extended range sessions.

6.5" Nitride Barrel

6.5" 4140CM nitride barrel with 1:7 twist, pistol-length gas port, and .750" adjustable gas block. 5/8x24 muzzle thread for faux suppressor or actual suppressor attachment.

ZEROED Premium Controls

ZEROED ambi charging handle, 60/90 ambidextrous safety selector, single-stage drop-in trigger, ZEROED trigger guard, and ZEROED pistol grip throughout.

Mk4 Billet Upper / Forged Lower

Mk4 billet 6061-T6 aluminum upper and Mk4 forged 7075-T6 aluminum lower. The billet upper provides tight fitment and distinctive machined appearance.

CMMG RipBrace

CMMG RipBrace on FASTBACK 6-position receiver extension provides adjustable support in pistol configuration.

Armor Black Cerakote

Armor Black Cerakote finish provides corrosion resistance and durable low-visibility black appearance.

CMMG Lifetime Quality Guarantee

Backed by CMMG Lifetime Quality Guarantee against material and workmanship defects. States with magazine capacity restrictions will receive 10-round magazine. The CMMG Banshee Mk4 300 BLK delivers faux suppressor pistol performance—direct impingement with adjustable gas, silicone handguard covers, and ZEROED controls in armor black Cerakote.

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Specifications:

• Manufacturer: CMMG
• Model: Banshee Mk4 Pistol
• SKU: 30A0E28-AB
• Platform: Mk4
• Caliber: .300 BLK
• Operating System: Direct Impingement
• Magazine Included: (1) Magpul 30-Round PMAG
• Barrel Length: 6.5 inches
• Barrel Material: 4140CM
• Barrel Finish: Nitride
• Barrel Contour: MT
• Barrel Twist: 1:7
• Gas Port: Pistol Length
• Gas Block: .750" Adjustable
• Muzzle Thread: 5/8x24
• Muzzle Device: Faux Suppressor Blast Diverter
• Upper Receiver: Mk4 Billet 6061-T6 Aluminum
• Lower Receiver: Mk4 Forged 7075-T6 Aluminum
• Handguard: 11" M-LOK (1.72" Inner Diameter)
• Charging Handle: CMMG ZEROED Ambidextrous
• Safety Selector: CMMG ZEROED 60/90 Ambidextrous
• Trigger: ZEROED Drop-In Single Stage
• Trigger Guard: CMMG ZEROED
• Pistol Grip: CMMG ZEROED
• Brace: CMMG RipBrace
• Receiver Extension: FASTBACK 6-Position
• Buffer: Carbine
• Finish: Armor Black Cerakote
• Included: (3) Silicone SD-Style Handguard Covers
• Overall Length: 26.1"–28.6"
• Weight: 5.8 lbs
• Warranty: CMMG Lifetime Quality Guarantee