CMMG Banshee 300 MKG .45 ACP Pistol for Sale – Suppressor-Ready Powerhouse

At Weapons Ammo Reloaded, we present the CMMG Banshee 300 MKG .45 ACP Pistol for sale—a compact yet hard-hitting AR-style pistol engineered for unmatched reliability and performance. Designed for home defense, tactical use, and suppressed shooting, the Banshee 300 MKG combines CMMG’s patented Radial Delayed Blowback system with the raw stopping power of .45 ACP in a maneuverable, ultra-responsive package.

Key Features

• Radial Delayed Blowback System – Smoother recoil and 40% less muzzle rise than direct blowback PCCs
• 8″ Heavy Barrel – Threaded .578×28 (suppressor-ready), optimized for subsonic and +P loads
• MKG M-LOK Handguard – Lightweight, free-floated, and accessory-ready
• Ambidextrous Controls – Bolt release, safety selector, and magazine catch
• Glock Mag Compatibility – Accepts Glock 21 mags (10/13-round) with included magwell adapter
• SB Tactical Brace – Adjustable for stability while maintaining pistol classification

Specifications

• Caliber: .45 ACP (handles +P)

• Barrel Length: 8″ (threaded .578×28)

• Overall Length: 24.5″ (collapsed) / 27.75″ (extended)

• Weight: 5.8 lbs (unloaded)

• Magazine Capacity: 13+1 (included, Glock-compatible)

• Receiver: Forged 7075-T6 aluminum (Type III hardcoat)

• Trigger: Single-stage mil-spec (4.5-5.5 lb pull)

Why the Banshee 300 MKG in .45 ACP?

• Suppressor-Optimized – Heavy barrel mitigates flex for accuracy with cans

• Hard-Hitting Stopping Power – .45 ACP delivers superior terminal ballistics

• No Bolt Bounce – Delayed blowback ensures reliable cycling

• Familiar AR Platform – Same ergonomics as your rifle, but in a pistol-caliber package

Perfect For

• Home Defense – Short-barrel maneuverability with .45 ACP authority

• Tactical/LE Use – Ideal for vehicle or CQB applications

• Suppressed Shooting – Subsonic .45 ACP is Hollywood-quiet

• Range Dominance – Low recoil, high fun factor

Included

• (1) 13-round Glock-pattern magazine

• SB Tactical SBA3 brace

• Thread protector

The CMMG Banshee 300 MKG .45 ACP is the ultimate AR-pistol for power and control—available now at Weapons Ammo Reloaded.