CMMG Endeavor 100 Mk4 .224 Valkyrie Rifle: Precision and Performance Overview

The CMMG Endeavor 100 Mk4 .224 Valkyrie rifle, identified by the model number 25A48D2 and UPC 815835019808, stands as a testament to precision engineering within the versatile AR-15 platform. This rifle is expertly designed for individuals who demand exceptional accuracy and extended range capabilities without compromising on the familiar ergonomics and modularity of the AR system. Whether you are a dedicated long-range precision shooter, a competitive marksman looking to gain an edge, a serious varmint hunter seeking reliable performance, or simply an enthusiast who appreciates a well-crafted firearm optimized for distance, the CMMG Endeavor 100 Mk4 in .224 Valkyrie is engineered to meet and exceed your expectations.

What makes the CMMG Endeavor 100 Mk4 in .224 Valkyrie a top choice for serious shooters? It addresses the critical need for an AR-platform rifle capable of consistently reaching out to 1000 yards and beyond, a feat traditionally reserved for larger, heavier bolt-action systems. This rifle solves the challenge of achieving such impressive distances while maintaining a manageable recoil profile, rapid follow-up shot capability, and the adaptability inherent to the AR-15 design. It’s perfect for users asking: "What's the best AR-15 rifle for long-range precision shooting?", "How can I get extended range performance from an AR platform?", or "Which rifle is ideal for competitive long-range gas gun matches?"

Unpacking the Precision: Core Features and What They Mean for You

At the heart of the CMMG Endeavor 100 Mk4's exceptional performance is its meticulously chosen array of components, each contributing to its remarkable accuracy and reliability.

• Chambered in .224 Valkyrie: This isn't just another cartridge; it's a meticulously engineered round designed to deliver superior ballistic performance from an AR-15 sized action. The .224 Valkyrie stands out for its ability to maintain supersonic velocities at extreme distances, thanks to its high ballistic coefficient (BC) projectiles. For shooters, this translates directly into less bullet drop and reduced wind drift compared to many traditional AR-15 cartridges. When you're aiming for a tiny target hundreds of yards away, every advantage counts, and the .224 Valkyrie provides a significant one. It answers the question: "Which AR cartridge offers the best long-range ballistics?"
• 20-Inch 416 Stainless Steel Barrel: The barrel is arguably the most critical component for accuracy, and CMMG has spared no expense here. The 20-inch length is optimal for maximizing the velocity potential of the .224 Valkyrie cartridge, ensuring that bullets reach their highest possible speeds for flatter trajectories. Crafted from 416 stainless steel, known for its corrosion resistance and excellent machinability, this barrel is designed for superior precision. A precise 1:7 twist rate is specifically chosen to stabilize the heavier, high-BC bullets that the .224 Valkyrie excels with, ensuring maximum stability and accuracy even at extended ranges. This feature directly impacts user outcomes, allowing shooters to consistently achieve sub-MOA (Minute of Angle) groupings.
• Rifle-Length Gas System: A rifle-length gas system on a 20-inch barrel provides a longer dwell time for the gas to cycle the action, resulting in a smoother, softer recoil impulse. This reduced felt recoil enhances shooter comfort during extended shooting sessions and significantly aids in maintaining sight picture for faster, more accurate follow-up shots. It’s a subtle but crucial detail that improves overall shootability and precision.
• CMMG SV Brake: The included CMMG SV Brake is engineered to further mitigate recoil and muzzle rise. By redirecting expanding gases, it helps keep the rifle flat on target, allowing for quicker shot-to-shot recovery. This is particularly beneficial for competitive shooters or anyone engaging multiple targets rapidly at distance.
• CMMG RML15 M-LOK Handguard (15 inches): This free-float handguard is a cornerstone of modern rifle design. By not touching the barrel beyond the barrel nut, it eliminates any potential pressure points that could negatively impact barrel harmonics and, consequently, accuracy. The 15-inch length provides ample real estate for mounting accessories such as bipods, lights, lasers, and other shooting aids via the popular M-LOK attachment system. Its slim profile and robust construction contribute to the rifle's overall balance and ergonomic comfort.
• Forged 7075-T6 Aluminum Receivers with Hard Coat Anodized Finish: Both the upper and lower receivers are meticulously forged from 7075-T6 aluminum, an aerospace-grade alloy known for its exceptional strength-to-weight ratio. The hard coat anodized finish provides a durable, corrosion-resistant surface that can withstand the rigors of field use and harsh environments, ensuring your rifle remains pristine and functional for years to come. The classic black finish offers a timeless aesthetic that is both practical and professional.
• A1 Fixed Stock: The CMMG Endeavor 100 Mk4 features a classic A1 fixed stock. This choice offers several distinct advantages, especially for precision-oriented shooting. A fixed stock provides an unyielding, consistent length of pull and a stable cheek weld, which are critical for repeatable accuracy. Unlike collapsible stocks that can sometimes introduce slight wobble, the A1 fixed stock ensures maximum stability, contributing directly to shot consistency. Its robust design is also highly durable, making it a reliable choice for long-term use.
• CMMG A2 Pistol Grip: The standard A2 pistol grip offers a time-tested and comfortable ergonomic interface for the shooter's hand, providing a secure hold and natural pointing characteristics.
• CMMG Single Stage Trigger: While many stock AR-15 triggers are functional, CMMG has equipped this rifle with a single-stage trigger designed for a clean, consistent break. A predictable trigger pull is paramount for precision shooting, allowing the shooter to focus on fundamentals without battling an inconsistent or heavy trigger.
• 10-Round Magazine Capacity: The rifle comes with a 10-round magazine, ideal for precision shooting where high capacity might not be the primary concern, or for compliance in areas with capacity restrictions. The platform is compatible with standard AR-15 magazines designed for .224 Valkyrie.

Real-World Applications and Use Cases

The CMMG Endeavor 100 Mk4 .224 Valkyrie rifle excels in several demanding shooting disciplines:

• Long-Range Target Shooting: For enthusiasts pushing the limits of their skills, this rifle provides the necessary accuracy and ballistic performance to consistently engage targets at 800, 1000, and even 1200 yards. Its precise barrel, stable platform, and the inherent long-range capabilities of the .224 Valkyrie cartridge make it an ideal choice for ringing steel at extreme distances.
• Competitive Shooting (e.g., PRS Gas Gun Series): The Precision Rifle Series (PRS) Gas Gun division demands rifles that combine semi-automatic speed with bolt-action accuracy. The CMMG Endeavor 100 Mk4 fits this niche perfectly, offering the rapid follow-up shots of an AR platform with the precision required to hit small targets under time pressure. Its recoil management and ergonomic design are significant assets in this competitive environment.
• Varmint and Predator Hunting: When hunting coyotes, prairie dogs, or other small game at extended ranges, precision is paramount. The flat trajectory and high velocity of the .224 Valkyrie ensure minimal holdover and fast, humane kills, even in challenging conditions. The rifle's AR-15 design also allows for quick target acquisition and follow-up shots on multiple animals if necessary.
• Designated Marksman Rifle (DMR) Role: For those interested in a tactical or defense application that requires engaging targets beyond standard carbine ranges, the CMMG Endeavor 100 Mk4 can serve as an excellent DMR. Its accuracy and effective range extend the capabilities of a standard AR platform, making it suitable for situations where precision fire at distance is required.

Why Choose CMMG? The Brand Promise and Value

CMMG is a brand synonymous with quality, innovation, and American manufacturing within the firearms industry. They have built a reputation for producing highly reliable and accurate AR-platform rifles and components. When you choose a CMMG product, you are investing in a firearm that has been rigorously tested and engineered to perform. Their commitment to excellence is evident in the meticulous selection of materials, precise machining, and attention to detail that goes into every rifle, including the Endeavor 100 Mk4. This rifle is not just a collection of parts; it's a finely tuned system designed to deliver an optimal shooting experience. The integration of the .224 Valkyrie cartridge with a purpose-built 20-inch barrel and stable A1 stock demonstrates CMMG's understanding of what true long-range precision demands from an AR. This trust-building language assures buyers that they are acquiring a product from a reputable manufacturer known for delivering on its promises.

For those seeking to acquire this precision instrument, the CMMG Endeavor 100 Mk4 .224 Valkyrie (model 25A48D2, UPC 815835019808) is readily available through DEGuns, a trusted source for high-quality firearms and accessories. DEGuns provides a reliable avenue for enthusiasts to obtain this exceptional rifle, backed by their commitment to customer service and a vast selection of firearms.

In summary, the CMMG Endeavor 100 Mk4 in .224 Valkyrie represents a pinnacle of AR-15 long-range performance. It combines the potent ballistic capabilities of the .224 Valkyrie with CMMG's renowned manufacturing quality, resulting in a rifle that consistently delivers precision and reliability. Its thoughtful design, from the 20-inch stainless steel barrel and free-float M-LOK handguard to the stable A1 fixed stock, ensures an unparalleled shooting experience for anyone serious about hitting targets at extreme distances. This rifle isn't just about shooting; it's about pushing boundaries and achieving new levels of accuracy within the AR platform, all available conveniently at DEGuns.

Feature	Specification	Detail
Model Number	25A48D2	Unique identifier for this configuration
UPC	815835019808	Universal Product Code for tracking
Caliber	.224 Valkyrie	High-performance long-range cartridge
Barrel Length	20 inches	Optimal for velocity and accuracy
Barrel Material	416 Stainless Steel	Durable, corrosion-resistant, precision-grade
Barrel Twist Rate	1:7 (Right Hand)	Ideal for stabilizing heavy .224 Valkyrie bullets
Muzzle Device	CMMG SV Brake	Reduces recoil and muzzle rise
Gas System	Rifle-Length	Smooth cycling, reduced recoil
Handguard	CMMG RML15 M-LOK (15-inch)	Free-float, accessory mounting compatible
Receivers	Forged 7075-T6 Aluminum	Lightweight, high strength, hard coat anodized
Finish	Black Hard Coat Anodized	Durable, corrosion-resistant
Stock	A1 Fixed Stock	Stable, consistent length of pull
Grip	CMMG A2 Pistol Grip	Standard, comfortable ergonomics
Trigger	CMMG Single Stage Trigger	Clean, predictable break
Magazine Capacity	10+1 Rounds	Standard AR-15 compatible, includes 10-round mag
Weight	Approx. 7.5 lbs (unloaded)	Manageable for extended carry/shooting
Overall Length	Approx. 38.5 inches	Compact for its barrel length
Platform	Mk4 (AR-15)	Familiar controls, extensive aftermarket support
Application	Precision Target, Long-Range Hunting, Competition	Optimized for demanding accuracy scenarios