Kansas Gunshop is a Wichita, KS-based retailer specializing in AR-platform firearms and accessories. The CMMG Banshee Mk4 5.56mm AR Pistol with 10.5 inch barrel offers a compact and maneuverable 5.56mm package. Its Coyote Tan Cerakote finish provides durability and a distinct aesthetic. Available for $899.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications of the CMMG Banshee Mk4 5.56mm AR Pistol?
| Product Type | AR Pistol |
|---|---|
| Caliber | 5.56mm NATO |
| Barrel Length | 10.5 inches |
| Barrel Material | 4140CM Steel, Salt Bath Nitride Finish |
| Receiver Material | 7075-T6 Billet Aluminum |
| Manufacturing | CMMG Inc., USA |
| Finish | Coyote Tan Cerakote |
| Operation | Direct Impingement |
| Gas System | Carbine Length |
| Brace | CMMG RipBrace |
| Trigger | CMMG Mil-Spec Trigger |
| Magazine | One 30-round AR-15 magazine (where legal) |
| Weight (unloaded) | Approx. 5.5 lbs |
| Overall Length (collapsed) | Approx. 22.5 inches |
| Country of Origin | USA |
| Condition | New |
| SKU | 55AE226-CT |
What makes the CMMG Banshee Mk4 a practical choice?
The CMMG Banshee Mk4 in 5.56mm with a 10.5 inch barrel is built for maneuverability and performance. The 10.5-inch barrel provides a balance between compactness and ballistic effectiveness for the 5.56mm round. The Coyote Tan Cerakote finish offers an additional layer of protection against wear and the elements, which is a plus for any firearm that sees regular use. CMMG’s RipBrace is also a notable feature, offering quick deployment and a solid lockup. For those who appreciate a compact AR platform, this pistol delivers.
Who is the CMMG Banshee Mk4 5.56mm AR Pistol for?
This AR pistol is designed for individuals who need a compact 5.56mm firearm. Its smaller form factor makes it suitable for tight spaces or for transport where a full-size rifle might be cumbersome. The 5.56mm chambering maintains commonality with other AR-platform firearms, which simplifies ammunition and magazine logistics. The CMMG Banshee Mk4 5.56mm AR Pistol with 10.5 inch barrel is a solid option for personal defense or for those who enjoy shooting a compact AR. The Coyote Tan Cerakote offers a unique look that stands out from standard black finishes.
What are the advantages and disadvantages of this Banshee Mk4?
- ✅ Compact Form Factor: The 10.5-inch barrel makes this CMMG Banshee Mk4 5.56mm AR Pistol highly maneuverable, especially in confined environments.
- ✅ Coyote Tan Cerakote: Provides enhanced durability and corrosion resistance beyond standard finishes, plus a distinct appearance.
- ✅ CMMG RipBrace: Offers rapid deployment and a secure platform for shooting.
- ✅ 5.56mm Caliber: Common and effective cartridge with wide availability of ammunition.
- ✅ Quality Construction: Built with 7075-T6 billet aluminum receivers and a nitride-finished barrel for longevity.
- ❌ Shorter Barrel Ballistics: A 10.5-inch 5.56mm barrel will have reduced velocity compared to longer rifle barrels, impacting effective range. Consider a full-size AR-15 rifle for longer range applications.
- ❌ Muzzle Blast: Shorter 5.56mm barrels can produce a noticeable increase in muzzle flash and concussion.
- ❌ Pistol Brace Regulations: The regulatory landscape for pistol braces can be complex and subject to change. Ensure you understand current laws.
How does the CMMG Banshee Mk4 compare to other AR pistols?
| Feature | CMMG Banshee Mk4 5.56mm AR Pistol | Budget AR-15 Pistol (e.g., PSA PA-15) | Premium AR Pistol (e.g., Daniel Defense DDM4 300S) |
|---|---|---|---|
| Material | 7075-T6 Billet Aluminum, 4140CM Steel | Forged 7075-T6 Aluminum, 4150V Chrome Moly Vanadium Steel | 7075-T6 Forged Aluminum, Cold Hammer Forged Chrome Moly Vanadium Steel |
| Quality | High-quality components, Cerakote finish, CMMG RipBrace | Standard mil-spec components, functional | Top-tier components, precision manufacturing, often proprietary parts |
| Compatibility | Standard AR-15 parts, CMMG specific brace | Standard AR-15 parts | Standard AR-15 parts, some proprietary components |
| Shipping | Same-day from Kansas Gunshop | Varies by retailer | Varies by retailer |
| Lifespan/Durability | Built for demanding use, Cerakote adds to longevity | Good for general use, may show wear faster | Designed for extreme durability and long service life |
| Price | $899.00 | ~$600 – $750 | ~$1,800 – $2,200+ |
Buy the CMMG Banshee Mk4 5.56mm AR Pistol if:
- You want a compact and maneuverable 5.56mm AR pistol.
- You appreciate the added durability and aesthetics of a Coyote Tan Cerakote finish.
- You value the quick deployment and stability offered by the CMMG RipBrace.
- You are looking for a reliable AR pistol from a reputable manufacturer.
Skip the CMMG Banshee Mk4 5.56mm AR Pistol if:
- You primarily shoot at longer distances and require the increased velocity of a longer barrel. See our AR-15 Rifles for options.
- You are on a very strict budget and need a more entry-level AR pistol.
- You prefer a different caliber or a dedicated pistol-caliber carbine.
Frequently Asked Questions
Is the CMMG Banshee Mk4 5.56mm AR Pistol legal to own?
The legality of owning an AR pistol like the CMMG Banshee Mk4 5.56mm AR Pistol with 10.5 inch barrel depends on your local and state laws. Federal laws classify it as a pistol, but some states have additional restrictions on AR-style firearms or pistol braces. Always check your specific state and local regulations before purchasing.
What kind of accuracy can I expect from a 10.5-inch 5.56mm barrel?
A 10.5-inch 5.56mm barrel, like on this CMMG Banshee Mk4 5.56mm AR Pistol, can be accurate for its intended purpose, generally within 100-200 yards. While it won’t match the ballistic performance or long-range precision of a 16-inch or longer rifle barrel, it’s capable of good accuracy for personal defense or close-to-medium range shooting.
What is the benefit of a Cerakote finish?
The Coyote Tan Cerakote finish on the CMMG Banshee Mk4 5.56mm AR Pistol provides a durable and protective layer. Cerakote is a ceramic-based finish known for its resistance to abrasion, corrosion, chemicals, and impact. It also allows for a wider range of color options compared to standard bluing or anodizing.
Does the CMMG Banshee Mk4 come with a magazine?
Yes, the CMMG Banshee Mk4 5.56mm AR Pistol with 10.5 inch barrel typically ships with one 30-round AR-15 compatible magazine. Please be aware of your local magazine capacity restrictions, as we cannot ship high-capacity magazines to restricted areas.
What maintenance is required for this AR pistol?
Standard AR-15 maintenance applies to the CMMG Banshee Mk4 5.56mm AR Pistol. This includes regular cleaning of the bore, chamber, bolt carrier group, and trigger assembly. Lubrication of moving parts is also important for reliable function. Refer to the owner’s manual for detailed cleaning and maintenance instructions.
Where can I buy AR pistols online?
You can buy AR pistols online from licensed FFL dealers like Kansas Gunshop (kansas-gunshop.com). We facilitate the purchase and transfer of firearms in compliance with all federal, state, and local laws. You’ll purchase the firearm from us, and we’ll ship it to your local FFL for transfer.
Can I convert this AR pistol into a rifle?
Converting an AR pistol to a rifle (by adding a stock) is generally permissible under federal law, provided the barrel length is 16 inches or greater. However, converting a rifle to a pistol is generally illegal without prior ATF approval. Always consult current ATF regulations and local laws before making any modifications.
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Last updated: April 2026
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