Description
The DRD Tactical CDR-15 QBD Semi-Auto .300 AAC 16″ Barrel, Black Magpul Stock is a purpose-built, quick-barrel-deployment rifle system. It’s engineered for the user who demands modularity and a compact, powerful package for dynamic scenarios, from vehicle-based operations to securing a perimeter. The .300 AAC Blackout chambering provides serious terminal ballistics in a short-barrel-optimized cartridge, making this 16-inch barreled rifle a versatile tool for defense and tactical use.
Key Features
- Quick Barrel Deployment (QBD) System: The core innovation. The barrel assembly can be detached and reinstalled in seconds without tools, enabling rapid breakdown for storage or transport and fast redeployment.
- .300 AAC Blackout Chambering: Optimized for performance from short barrels, this caliber delivers superior energy and suppression capabilities compared to 5.56mm in similar lengths, making it a formidable choice for home defense or tactical applications.
- Magpul Furniture: Features a proven Magpul stock for a solid cheek weld and adjustable length of pull, paired with Magpul’s MOE pistol grip for enhanced control and ergonomics right out of the box.
- Integrated M-LOK Handguard: Provides a lightweight, rigid platform for mounting lights, lasers, and vertical grips directly to the rifle, keeping your setup clean and functional.
- Mil-Spec Compatibility: The lower receiver is built to standard AR-15 specifications. This means it works with standard AR-15 lowers and accepts a vast aftermarket of triggers, safety selectors, and other internal components.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | .300 AAC Blackout |
| Barrel Length | 16 Inches |
| Overall Length (Extended) | Approx. 34-36″ |
| Action | Semi-Automatic, Direct Impingement |
| Stock | Magpul Adjustable |
| Handguard | M-LOK Compatible |
| Lower Receiver Compatibility | Mil-Spec AR-15 |
The rifle’s total weight, unloaded, sits around 6.5 to 7 pounds, striking a balance between stability and maneuverability. When it comes to home defense, a compact, hard-hitting .300 BLK platform like this offers a significant advantage in confined spaces without sacrificing terminal effect. The QBD system isn’t just a gimmick—collapsing the rifle down for discrete storage in a vehicle safe or backpack, then having it ready in moments, is a tangible tactical benefit. Available at firearms-missouri.com for Missouri residents and nationwide.
Who This Rifle Is For
This is for the prepared individual who values adaptability. It’s for the defender who needs a rifle that can transition from a locked case to a ready state faster than most. It’s for the shooter who understands the ballistic advantages of .300 BLK, especially when paired with a suppressor. It’s also for the enthusiast who appreciates innovative engineering but doesn’t want to leave the reliability and parts commonality of the AR-15 platform behind. At $2315.87, it represents a serious investment in a specialized, high-utility tool.
Pros & Cons
Pros: The QBD system is genuinely fast and robust, offering real-world convenience. The .300 AAC chambering from a 16-inch barrel provides excellent velocity and energy. Magpul furniture and M-LOK integration mean it’s drop-in ready for your preferred accessories. Mil-spec lower compatibility grants immense customization potential for triggers and controls.
Cons: The premium price point is a consideration. Ammunition for .300 AAC Blackout is more expensive and less ubiquitous than 5.56 NATO. The proprietary upper/barrel system means you can’t swap to a standard AR-15 upper—though that’s the trade-off for the QBD functionality.
Frequently Asked Questions
Q: Does the QBD system affect accuracy or reliability?
A: No. DRD Tactical engineers the system to maintain a rigid, repeatable barrel lock-up. The rifle is designed to deliver consistent accuracy and reliable cycling, matching the performance of a traditional, fixed-barrel AR.
Q: What magazines does it use?
A: It uses standard .300 AAC Blackout / 5.56 NATO AR-15 magazines. We recommend and often use Magpul PMAGs for their proven reliability. Standard capacity is 30 rounds, but it is compatible with all common capacities.
Q: Is this rifle suppressor-ready?
A: Yes. The .300 AAC Blackout round is inherently subsonic-friendly and designed for suppression. The 16-inch barrel has a standard 5/8×24 thread pitch under the included muzzle device, allowing you to direct-thread or use a quick-detach mount for your preferred suppressor. FFL transfer required for firearm purchases.
Consider the DRD Tactical CDR-15 QBD for your setup if its unique combination of rapid deployment and potent caliber aligns with your requirements.




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