For shooters and defenders who prioritize accuracy, reliability, and a proven platform, a precision 5.56 semi-auto built to exacting tolerances is a must. Tactical operators and knowledgeable owners expect a rifle that balances long-range capability with practical handling for defensive scenarios.
DANIEL DEFENSE MK12 is offered as a Rattlecan Flat Front 5.56/.223 REM with an 18″ barrel, factory new and supplied with one 32 round mag. 
Design & Features
The MK12 platform is built around precision-oriented components. The 18″ barrel delivers higher muzzle velocity and flatter trajectories compared with carbine-length barrels, improving effective range for defensive precision and target discrimination. The Rattlecan Flat Front finish reduces glare and provides a utilitarian, low-visibility appearance while remaining easy to maintain.
HWK XL 5.56 Giveaway
No purchase necessary
Entry link emailed immediately
A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).
I track legit firearm & gear giveaways and share the official entry links when they go live.
Barrel, Accuracy, and Caliber
Chambered for 5.56/.223 REM, this configuration benefits from widely available ammunition and predictable ballistic performance. The 18″ barrel maximizes velocity out of standard 5.56 loads, translating to tighter groups at extended distances and improved terminal performance within typical tactical envelopes.
Configuration & Out-of-the-Box Readiness
Factory new and delivered with one 32 round mag, the rifle arrives ready for range work or defensive integration. The included high-capacity magazine supports extended drills and training sessions without frequent reloads, and factory assembly ensures parts fit and function are optimized.
View product details and pricing to confirm specifications and shipping options — the current price is $2,499.99 and the rifle is listed under the Semi Auto category.
Why Choose Daniel Defense
Daniel Defense has a reputation for attention to rail interfaces, barrel quality, and consistent headspace control. The MK12 variant leverages those strengths in a package aimed at precision-minded users who still require the ergonomics and modularity expected from modern semi-automatic platforms.
Buying Considerations
At $2,499.99, this rifle sits in the premium segment where owner expectations include tight tolerances and durable finishes. Confirm availability and purchase details via the retailer; clicking the links will take you to the product page where you can complete a purchase through the listed retailer. Check current availability
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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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