Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt
$2,671.20
The Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol in Cobalt delivers compact power for home defense and training. With a Maxim Defense CQB brace, linear compensator, and 30-round PMag, this pistol offers a stable, low-recoil shooting experience for the whole family.
The Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt is a compact, purpose-built semi-automatic pistol designed for close-quarters handling and home defense. It pairs a 7-inch, cold hammer-forged barrel with a Maxim Defense CQB pistol brace and a linear compensator to reduce felt recoil and muzzle rise. Finished in cobalt, this package includes a 30-round PMag and is chambered in .300 AAC Blackout for superior subsonic and supersonic performance. Per manufacturer specs, the overall length is just 22.5 inches with the brace collapsed, making it one of the most concealable AR-platform pistols available.
| Manufacturer | Daniel Defense |
|---|---|
| Model | DDM4 PDW |
| Material | 7075-T6 aluminum receiver, cold hammer-forged barrel |
| Compatibility | .300 AAC Blackout, standard AR-15 lower parts (per manufacturer specs) |
| Finish | Cobalt Cerakote |
| Weight | 5.4 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Compact PDW Design — WHY IT MATTERS: At just 22.5 inches collapsed, this pistol fits in a backpack or vehicle console while still delivering full power with .300 Blackout rounds, perfect for discreet carry or home defense.
- Maxim Defense CQB Pistol Brace — WHY IT MATTERS: The adjustable brace provides a stable cheek weld and customizable length of pull, making it easier for shooters of all sizes—especially youth and beginners—to maintain control during rapid fire.
- Linear Compensator Installed — WHY IT MATTERS: Redirects muzzle blast forward, reducing felt recoil and noise at the shooter’s ear, which is critical for indoor training and defensive use with new shooters.
- Threaded Barrel (5/8×24) — WHY IT MATTERS: Allows easy attachment of suppressors or other muzzle devices, giving families the option to reduce noise for hearing-safe training sessions.
- Cobalt Cerakote Finish — WHY IT MATTERS: Provides corrosion resistance and a low-glare surface, keeping the pistol looking new even after rough handling at the range or in storage.
Who It’s For
This pistol is built for families and shooters who want a compact, reliable platform for home defense, truck carry, or range plinking. Its .300 AAC Blackout chambering makes it ideal for suppressed shooting or short-range accuracy, and the adjustable brace accommodates shooters of all experience levels—from teens learning to shoot to experienced enthusiasts.
Pros & Cons
Pros: Ultra-compact size, excellent build quality from Daniel Defense, included compensator reduces muzzle rise, compatible with standard AR-15 triggers and grips, and the cobalt finish resists wear.
Cons: The 7-inch barrel limits effective range to roughly 150 yards with supersonic ammo, and the .300 Blackout ammunition is more expensive than 5.56 NATO, which may be a consideration for high-volume training.
Comparison: DDM4 PDW vs. Geissele Super Duty Pistol vs. Zev Technologies OZ9
| Feature | Daniel Defense DDM4 PDW | Geissele Super Duty Pistol | Zev Technologies OZ9 |
|---|---|---|---|
| Caliber | .300 AAC Blackout | 5.56 NATO | 9mm |
| Barrel Length | 7 inches | 10.3 inches | 4.5 inches |
| Brace | Maxim Defense CQB | SBA3 | None (pistol) |
| Weight | 5.4 lbs | 6.2 lbs | 1.8 lbs |
| Finish | Cobalt Cerakote | Black Anodized | Black Nitride |
| Price | $2,385 | $1,999 | $1,499 |
The DDM4 PDW offers the shortest overall length and a dedicated PDW brace, while the Geissele is longer and heavier but more affordable. The Zev OZ9 is a pistol, not an AR, but offers modular grip options for those who prefer a handgun platform.
Frequently Asked Questions
Is the Daniel Defense DDM4 PDW legal in my state?
This pistol is classified as a firearm (not a rifle) under federal law, but state laws vary. Check your local regulations regarding barrel length, brace configurations, and magazine capacity. We recommend consulting a local FFL before ordering.
Can I use this with a suppressor?
Yes. The 7-inch barrel is threaded 5/8×24 and is optimized for .300 Blackout suppressors. Using subsonic ammunition will keep noise levels hearing-safe, making it great for training with family members.
What ammunition works best for this pistol?
Both supersonic and subsonic .300 Blackout rounds are compatible. For home defense, supersonic loads offer better terminal ballistics; for suppressed training, subsonic loads reduce noise. Always test a few brands to ensure reliable cycling.
Does the cobalt finish scratch easily?
Cerakote is durable but can scratch under heavy abuse. The cobalt finish is applied professionally and resists corrosion well. For everyday carry or range use, it holds up fine, but we recommend a soft case for storage.
Ready to Add the DDM4 PDW to Your Collection?
This compact .300 Blackout pistol delivers reliability and performance in a package that fits any shooter. Order now for nationwide delivery and fast shipping.
✓ Nationwide delivery (all 50 states) ✓ Ships 1-2 business days ✓ 30-day returns ✓ Secure checkout
Explore more options: AR Pistols | AR Uppers | AR Lower Parts
Last updated: April 2026
FFL Transfer & Firearms Laws for Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt
All firearms, including the Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: AR Pistols.
What tags or features does this product have?
Key features and tags for this product include: .
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
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FFL Transfer & Firearms Laws
All firearms, including the Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the Daniel Defense DDM4 PDW .300 AAC Blackout 7-inch Pistol, Cobalt is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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