CMMG Banshee MK4 Pistol .300 AAC Blackout 8” Barrel – Black 30+1

The CMMG Banshee MK4 Pistol in .300 AAC Blackout is built for shooters who want compact power and excellent performance from a short-barrel AR-style pistol. Featuring an 8-inch barrel and a clean black finish, this platform is optimized for maneuverability while taking full advantage of the .300 BLK cartridge’s strengths in shorter barrels.

Designed on CMMG’s proven MK4 platform, this Banshee pistol is well-suited for range use, training, and defensive-oriented setups. The pistol tube configuration keeps the build streamlined and lightweight, while standard AR compatibility allows for easy accessory and magazine integration.

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Quick Highlights

• Brand: CMMG

• Model: Banshee MK4

• Firearm Type: Semi-Automatic Pistol

• Caliber: .300 AAC Blackout

• Barrel Length: 8”

• Capacity: 30+1

• Finish: Black

• Configuration: AR-Style Pistol with Pistol Tube

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Use Cases & Applications

• Compact range shooting

• Tactical and skills training

• Home and personal defense

• Short-barrel .300 BLK pistol setups

• Optics- and accessory-ready AR builds

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Key Benefits

• .300 AAC Blackout chambering performs exceptionally well in short barrels

• 8” barrel length maximizes maneuverability in confined environments

• AR-style platform supports common accessories and upgrades

• 30-round magazine capacity reduces reload frequency

• Black finish offers a clean, durable, and versatile appearance

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Technical Details

• Action: Semi-Automatic

• Firearm Type: AR-Style Pistol

• Caliber: .300 AAC Blackout

• Barrel Length: 8”

• Magazine Capacity: 30 Rounds

• Finish: Black

• Buffer System: Pistol Tube

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FFL Transfer Notice

FFL Transfer Notice
This item is a firearm and must be shipped to a Federal Firearms License (FFL) dealer for transfer in accordance with applicable laws. Please ensure you select a valid FFL dealer before checkout.