For shooters seeking a battle-tested, precision-minded semi-auto that balances ergonomics, optics, and user-focused controls, this rifle checks the right boxes. Its combination of ambidextrous controls, a low-recoil muzzle brake, and an optic tuned for close-to-mid range engagement make it a practical choice for duty, home defense, or range-focused training.
CMMG MK4 ENDEAVOR is configured with two 30-round magazines, an ambidextrous charging handle, ambidextrous safety, ambidextrous magazine release, and a muzzle brake. It ships equipped with a Vortex Crossfire II 1-4X24MM scope—providing fast acquisition at 1X and a useful magnification band out to medium distances.
HWK XL 5.56 Giveaway
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A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).
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Control Layout and Handling
The ambidextrous charging handle, safety, and magazine release make the CMMG MK4 ENDEAVOR truly user-friendly for strong- and weak-side shooters. These features reduce transition time during drills and make index-of-grip and reload manipulations more consistent during stress shooting. The included muzzle brake tames perceived recoil and shot disturbance, helping return sights to target faster for follow-up shots.
Optics and Sight Picture
The Vortex Crossfire II 1-4X24MM scope supplied on this rifle is a pragmatic choice for a patrol or general-purpose platform—1X for close-quarters speed, 4X for precise hits at extended ranges. Paired with the MK4 chassis, the optic allows rapid zeroing and reliable performance in routine maintenance cycles.
View product details and pricing and confirm the Certified Used designation before purchase.
Value and Certified Used Program
At $1,199.99, the CMMG MK4 ENDEAVOR offered as a Certified Used Firearm is positioned to deliver strong value. Certified Used items carry a “very good to excellent” condition standard and come with a no-questions-asked return policy—meaning buyers can expect a high-quality firearm with buyer protections.
With modern ambidextrous controls, included magazines, an effective muzzle brake, and a ready-to-use Vortex optic, the CMMG MK4 ENDEAVOR is a versatile semi-auto that suits defensive-minded shooters and range enthusiasts alike. Check current availability on the shop page to purchase or learn more.
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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