# CMMG Banshee 300 MK17 9mm Luger: The Ultimate Compact Personal Defense Solution

Are you searching for a compact, high-performance firearm that excels in various applications, from personal defense to competitive shooting and casual range sessions? The CMMG Banshee 300 MK17 chambered in 9mm Luger, specifically the 92A17DA-CKS model with its distinctive Cobalt Kinetics Slate Cerakote finish, stands out as an exceptional choice. This isn't just another pistol-caliber carbine (PCC) or AR-style pistol; it's a meticulously engineered platform designed for superior performance, reliability, and maneuverability.

Who is the CMMG Banshee 300 MK17 For?

This innovative firearm is ideally suited for a diverse range of users seeking a potent yet manageable platform:

• Home Defense Enthusiasts: Its compact size, combined with the manageable recoil of 9mm and high-capacity magazines, makes it an excellent choice for close-quarters home protection. It offers more control and better accuracy potential than a traditional handgun, without the over-penetration concerns associated with some rifle calibers.
• Tactical Professionals: For those who require a highly maneuverable weapon for vehicle operations, close-quarters battle (CQB), or as a backup to a primary rifle, the Banshee 300 MK17 provides an optimal balance of size, firepower, and ease of use.
• Competitive Shooters: In PCC divisions, the Banshee's inherent accuracy, rapid follow-up shots due to reduced recoil, and compatibility with widely available Glock magazines give competitors a distinct advantage.
• Recreational Shooters & Firearms Enthusiasts: If you're looking for an incredibly fun and versatile firearm for the range, or a platform to introduce new shooters to the AR system with less intimidating recoil, the 9mm Banshee is an outstanding option. It bridges the gap between a pistol and a rifle, offering the best of both worlds.
• Individuals Seeking a Short-Barreled Rifle (SBR) Alternative: For those who desire the compact footprint of an SBR but want to avoid the NFA registration process, the Banshee's pistol brace configuration provides a highly effective and legal alternative, offering enhanced stability compared to a standard pistol.

What Problems Does the CMMG Banshee 300 MK17 Solve?

The CMMG Banshee 300 MK17 addresses several common challenges faced by firearm owners:

• Maneuverability in Tight Spaces: Its short 5-inch barrel and overall compact design make it incredibly agile, perfect for navigating hallways, vehicle interiors, or dense outdoor environments where a full-length rifle would be cumbersome.
• Recoil Mitigation: Thanks to CMMG's patented Radial Delayed Blowback operating system, the Banshee significantly reduces felt recoil compared to traditional direct blowback 9mm ARs. This means faster, more accurate follow-up shots and a more comfortable shooting experience, especially during extended range sessions.
• Ammunition Commonality: By utilizing readily available and often more affordable 9mm Luger ammunition, it simplifies logistics for those who also carry a 9mm pistol, allowing for shared ammunition and magazines.
• Reliability with Glock Magazines: The MK17 platform is specifically engineered to feed reliably from ubiquitous Glock-pattern 9mm magazines, ensuring broad compatibility and easy access to high-capacity options. This eliminates the need for proprietary and potentially hard-to-find magazines.
• Ergonomics and Customization: Built on the familiar AR platform, the Banshee offers intuitive controls and extensive aftermarket compatibility. Users can easily customize grips, optics, lights, and other accessories to fit their specific needs and preferences.
• Durability and Corrosion Resistance: The Cobalt Kinetics Slate Cerakote finish is not just aesthetically striking; it provides superior protection against wear, abrasion, and environmental elements, ensuring the firearm maintains its appearance and integrity over time.

Unpacking the Advanced Features and Specifications

The CMMG Banshee 300 MK17 isn't just a sum of its parts; it's a cohesive system where each component is chosen for optimal performance.

CMMG Radial Delayed Blowback™ System

At the heart of the Banshee's exceptional performance is CMMG's patented Radial Delayed Blowback (RDB) operating system. Unlike conventional direct blowback systems often found in 9mm PCCs, the RDB system delays the unlocking of the bolt until chamber pressures have safely dropped.

• How it Works: As the cartridge fires, the RDB system uses a unique bolt and barrel extension design that momentarily delays the rearward movement of the bolt. This delay is achieved by a mechanical system that utilizes the rotational force of the bolt to slow down its unlocking from the barrel extension.
• Benefits:
  • Reduced Felt Recoil: This is the most significant advantage. By delaying the bolt's opening, the system effectively spreads out the recoil impulse, resulting in a much smoother, softer shooting experience. This allows for quicker target re-acquisition and more precise rapid firing.
  • Less Muzzle Rise: A direct consequence of reduced recoil, allowing shooters to keep the sights on target more easily.
  • Cleaner Operation: Less gas and debris are blown back into the receiver, contributing to a cleaner and more reliable operation compared to traditional blowback systems.
  • Lighter Buffer/Spring Combination: The RDB system doesn't require heavy buffers or stiff springs to manage recoil, leading to a lighter overall firearm and a more balanced feel.

This innovative system truly sets the CMMG Banshee apart from its competitors, providing a shooting experience that feels more akin to a suppressed .22LR than a full-power 9mm round.

5-Inch 9mm Luger Barrel

The Banshee 300 MK17 features a precise 5-inch barrel chambered in 9mm Luger. This compact barrel length is a critical factor in its maneuverability and suitability for specific roles.

• Compactness: The short barrel contributes to the overall compact footprint, making it ideal for CQB, vehicle use, or as a backpack gun.
• Optimal Velocity: While shorter than typical rifle barrels, a 5-inch barrel is still sufficient to achieve effective velocities with 9mm ammunition, ensuring reliable expansion of hollow-point defensive rounds and good ballistic performance within typical engagement distances for a PCC.
• Threaded Muzzle: The barrel typically comes threaded (e.g., 1/2x28 thread pitch), making it ready to accept suppressors or other muzzle devices directly, enhancing its versatility for quiet operation or further recoil management.

Cobalt Kinetics Slate Cerakote Finish

The Cobalt Kinetics Slate Cerakote finish is more than just an aesthetic choice; it’s a high-performance coating that enhances the firearm's durability and longevity.

• Exceptional Durability: Cerakote is a ceramic-based finish renowned for its superior resistance to abrasion, wear, chemicals, and corrosion. This means your Banshee will withstand harsh environments and rigorous use while maintaining its pristine appearance.
• Enhanced Protection: The coating provides an additional layer of protection against rust and environmental damage, crucial for a firearm that might be used in diverse climates or tactical situations.
• Distinctive Aesthetic: The Cobalt Kinetics Slate color offers a unique and modern appearance, setting this Banshee apart from standard black firearms and adding a touch of personalized style.

CMMG 6 Position RipBrace Stock

The CMMG RipBrace is a feature-rich pistol brace designed to provide stability and enhance the shooting experience of AR-style pistols.

• Rapid Deployment: The RipBrace features a fast and intuitive deployment mechanism. With a simple pull, it extends to one of six pre-set positions, allowing the user to quickly adjust for optimal length of pull for stability.
• Compact Storage: When fully collapsed, the RipBrace contributes to the Banshee's overall compact form factor, making it easy to store and transport discreetly.
• Enhanced Stability: A pistol brace is designed to be strapped to the shooter's forearm, providing a stable shooting platform that significantly improves accuracy and control compared to a traditional handgun, especially at longer ranges or during rapid fire.
• Ergonomic Design: The design is comfortable and robust, ensuring a solid point of contact for the shooter.

High-Capacity Magazine and Compatibility

The Banshee 300 MK17 comes standard with a 21-round capacity, typically utilizing a Glock-pattern magazine.

• Generous Capacity: A 21+1 round capacity provides ample firepower for defensive scenarios, competitive shooting stages, or extended range sessions without frequent reloads.
• Glock Magazine Compatibility: This is a significant advantage. Glock magazines are known for their reliability, widespread availability, and affordability. Many shooters already own multiple Glock magazines, making the Banshee a seamless addition to their existing firearm collection. This universal compatibility simplifies ammunition and magazine management.

Real-World Use Cases and Performance Expectations

Imagine this: you're looking for a reliable firearm for home defense. The CMMG Banshee 300 MK17, with its short length and manageable recoil, allows you to effectively navigate tight spaces within your home, offering superior control and accuracy over a pistol while minimizing over-penetration risks compared to some rifle rounds. Its capacity ensures you have sufficient rounds on hand.

Or perhaps you're a competitive shooter. How do you gain an edge in PCC divisions? The Banshee's Radial Delayed Blowback system translates directly into faster splits and less muzzle climb. This means you can get back on target almost instantaneously, shaving valuable milliseconds off your stage times. The familiar AR-style controls and ergonomics also mean a shorter learning curve for those transitioning from AR-15 platforms.

Consider its role as a "truck gun" or a discreet personal defense weapon. Its ability to fold or collapse into a very small package means it can be stored easily and inconspicuously. When needed, it deploys rapidly, offering significantly more effective range and stability than a handgun.

Why Choose the CMMG Banshee 300 MK17?

When evaluating compact 9mm firearms, several factors come into play. Here’s why the Banshee 300 MK17 consistently rises to the top:

• Superior Recoil Management: The RDB system is a game-changer, making follow-up shots incredibly fast and accurate. If you’ve experienced the harsh recoil of traditional blowback PCCs, the Banshee will be a revelation.
• Unmatched Versatility: Its adaptability for home defense, range fun, competition, and tactical applications makes it a truly multi-role firearm.
• Robust Build Quality: CMMG is known for its high manufacturing standards, and the Banshee 300 MK17 reflects this commitment to quality, ensuring reliability and longevity.
• Ergonomics and Customizability: The AR-platform foundation allows for endless customization with aftermarket accessories, ensuring the firearm can be tailored to individual preferences.
• Ammunition & Magazine Economy: Utilizing common 9mm Luger ammunition and widely available Glock magazines makes operating the Banshee an economical choice in the long run.

When considering where to acquire this high-performance firearm, DEGuns stands out as a reputable source for the CMMG Banshee 300 MK17. They offer a comprehensive selection of firearms and accessories, ensuring a seamless purchasing experience for those seeking top-tier defensive and recreational shooting solutions.

Maintenance and Care for Your CMMG Banshee

Maintaining your CMMG Banshee 300 MK17 is similar to caring for any AR-platform firearm, with a few nuances due to the Radial Delayed Blowback system. Regular cleaning, especially of the bolt group and bore, is crucial for reliable operation. The RDB system, while cleaner than direct blowback, still benefits from routine lubrication of moving parts to ensure smooth cycling. Always refer to the manufacturer's manual for detailed cleaning and maintenance instructions to ensure the longevity and peak performance of your Banshee. Proper care ensures this precision-engineered firearm remains a reliable asset for years to come.

Safety First

As with any firearm, responsible ownership begins with safety. Always follow the fundamental rules of firearm safety:

1. Treat every firearm as if it were loaded.
2. Never point the muzzle at anything you are not willing to destroy.
3. Keep your finger off the trigger until your sights are on target and you are ready to fire.
4. Be sure of your target and what is beyond it.

Familiarize yourself with the operation of your CMMG Banshee 300 MK17, practice safe handling procedures, and always use appropriate personal protective equipment, including eye and ear protection, when shooting.

Key Specifications

Feature	Description
Model	CMMG Banshee 300 MK17
UPC	810052959639
Caliber	9mm Luger
Barrel Length	5 Inches
Operating System	Radial Delayed Blowback™
Receiver Finish	Cobalt Kinetics Slate Cerakote
Stock	CMMG 6 Position RipBrace™
Capacity	21+1 Rounds
Magazine Type	Glock® compatible
Manufacturer	CMMG
Availability	DEGuns