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Quick Look

The CMMG Banshee 5.56 evolved from CMMG's expertise in AR platforms, bringing compact design to rifle-caliber pistols. Built for maneuverability, it combines firepower with short-barrel efficiency. Its balance of size, performance, and quality makes it a standout in the AR pistol market.

Why It's a Top Choice

Compact barrel design ideal for close-quarters scenarios
Forged upper/lower receivers ensure long-term durability
Integrates proprietary radial delayed blowback system
Compatible with standard AR-15 parts and accessories
Comes optics-ready with M-LOK handguard

Key Variants

CMMG Banshee Mk4 5.56

Standard AR-15 mag compatible, ideal for users with existing 5.56 platforms.

CMMG Banshee 300 Series 5.56

Premium configuration with ambidextrous controls, Cerakote finish, and upgraded trigger.

CMMG Banshee 200 Series 5.56

Mid-tier choice offering performance upgrades over the 100 Series without full 300-level cost.

Competitor Comparison Table

Feature	Cmmg Banshee 5.56	Sig Sauer MCX Rattler	Maxim Defense PDX
MSRP	$1,400–$1,800	$2,299+	$2,200+
Barrel Length	7–10.5 in	5.5 in	5.5 in
Weight	5.2–6.1 lb	6.4 lb	5.9 lb
Optics‑Ready	Yes	Yes	Yes
Trigger Type	Mil-spec or upgraded (300 Series)	Flat-face match trigger	Mil-spec
Notable Pro	Radial delayed blowback = smoother function	Used by special operations units	PDX stock is ultra-compact
Notable Con	Heavier than some other AR pistols	High price point	Limited rail space

Best Use Cases

Home defense in confined environments
Law enforcement entry or patrol rifle
Pistol-caliber replacement with rifle performance
Truck gun for mobile readiness
Serious collectors of AR-platform firearms

FAQs

What is the caliber of the CMMG Banshee 5.56?

It is chambered in 5.56 NATO, offering compatibility with standard AR-15 ammunition and magazines.

Can I add a suppressor to the CMMG Banshee 5.56?

Yes. Most Banshee 5.56 variants include threaded barrels for attaching suppressors or muzzle devices.

How does the radial delayed blowback system work?

This patented system reduces recoil by delaying bolt unlocking, enhancing controllability and reliability.

CMMG BANSHEE 5.56 for Sale