Daniel Defense DD5 V4 18″ M-LOK Rifle – 20rd
Pros & cons
What works
- S2W cold hammer-forged 18" barrel provides exceptional bore consistency and extended barrel life for precision fire.
- Adjustable intermediate-length gas system allows for tuning with suppressors or under-powered ammunition.
- 15.0-inch M-LOK rail offers 21 full M-LOK slots for unhindered accessory mounting.
- 7075-T6 aluminum receiver with Type III hard coat anodize meets military specification for hardness and corrosion resistance.
Trade-offs
- At 8.6 lbs unloaded, it is over 1.5 lbs heavier than many bolt-action .308 rifles, making it less ideal for mountain hunting.
- The permanently attached muzzle device prohibits direct-thread suppressor mounting, requiring a compatible quick-attach system.
- The $2812 MSRP places it well above entry-level .308 platforms, demanding a significant ancillary investment in optics and accessories.
Video review
Expert review
Specs at a glance
About this product
The Daniel Defense DD5 V4 18″ M-LOK Rifle is a purpose-built AR-10 platform rifle designed for consistent, precision-fire capability beyond 800 yards with a heavy-duty, cold hammer-forged barrel and a fully free-floited rail system. It represents the culmination of Daniel Defense's move into the large-frame AR realm, incorporating proprietary technology like the S2W barrel process and a suppressor-optimized gas system. If you are moving from a standard AR-15 to a .308 platform for hunting or competitive shooting, this rifle’s factory configuration provides a significant head start.
What is the Daniel Defense DD5 V4 M-LOK Rifle used for?
The DD5 V4 is a duty-grade, semi-automatic rifle intended for precision-oriented shooting at extended ranges, making it ideal for hunting medium to large game, competing in gas gun divisions of precision rifle series, or serving as a designated marksman rifle in defensive applications. Its 18” barrel strikes a balance between velocity and maneuverability, delivering a 7.62mm/.308 Winchester projectile with sufficient energy out to distances where a standard 5.56mm cartridge loses effectiveness. The full-length M-LOK handguard and adjustable gas system also make it a natural host for a suppressor, reducing recoil and report for follow-up shots.
How does the DD5 V4 compare to the Stevens 334 Rifle?
The DD5 V4 is a semi-automatic, large-frame AR with a $2812 MSRP, whereas the Stevens 334 is a bolt-action rifle under $500, making them fundamentally different tools for disparate budgets and use cases. The Stevens 334 in .308 Win is better for a first-time hunter needing a simple, reliable, and affordable rifle, while the DD5 V4 is superior for a shooter requiring rapid, semi-automatic follow-up shots, modular accessory mounting via its 15.0” M-LOK rail, and match-grade accuracy from a gas-operated system.
What does it weigh and what are the dimensions?
This rifle weighs 8.6 pounds unloaded with no optic or magazine inserted, and has an overall length of approximately 37.5 inches with the stock fully extended. The 18-inch barrel and 15.0-inch M-LOK handguard result in a forward-heavy bias that many shooters find aids in steady positional shooting but adds noticeable weight during extended carry; for comparison, the shorter-barreled Stevens 334 in .243 Win weighs under 7 pounds.
Who is this NOT for?
This rifle is not for the first-time firearm buyer or someone whose primary need is a lightweight, inexpensive deer rifle for a few shots per season. At over $2800, it represents a significant investment in a tool whose precision advantages are only realized with quality optics, ammunition, and shooter skill. It is also not ideal for close-quarters applications, as its 37.5-inch length and 8.6-pound weight are cumbersome compared to a standard 16-inch AR-15.
What's in the box?
The rifle ships from the factory with one 20-round SR-25 pattern magazine and the Daniel Defense Superior Suppression Device permanently pinned and welded to the 5/8×24 threaded muzzle to comply with the National Firearms Act overall length requirement. You will not receive a case, optics, sling, or cleaning kit; expect to invest another $1000-$2000 in a quality magnified optic, mount, and bipod to utilize this rifle’s full capability.
Is the DD5 V4 worth it at $2812?
At this price point, the DD5 V4 is worth the investment for a serious shooter who specifically wants a turn-key, semi-automatic .308 rifle from a proven manufacturer with an exceptional track record for durability and suppressor compatibility. You are paying for the S2W cold hammer-forged barrel, the robust 7075-T6 aluminum receiver set, a fully adjustable gas block, and the warranty/QC of a top-tier brand. If your use case does not demand semi-auto functionality or you prioritize budget above all, a bolt-action like the Stevens 334 is a more prudent choice.
Key attributes
| upc | 818773021227 |
| manufacturer | Daniel Defense |
| manufacturer part number | 02-158-22207-047 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel finish | Phosphate |
| barrel length | 18'' |
| caliber/gauge | 6.5mm Creedmoor |
| capacity | 20-Round |
| color | Black |
| length | 37.75 |
| model | DD5 V4 |
| number of magazines | 1 20 rd. PMAG |
| package height | 14.0 |
| package width | 4.0 |
| product type | AR |
| safety | Safety Selector Switch |
| shipping weight | 17.2 |
| sights | No |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
| thread pattern | 5/8"x24 |
Frequently asked questions
- Is it compatible with SR-25 magazines?
- Yes, the DD5 V4 is specifically designed for SR-25 pattern magazines, which are the industry standard for large-frame AR platforms in .308 Winchester/7.62 NATO. The included 20-round magazine is a Daniel Defense-branded SR-25 type, and other quality brands like Magpul (PMAG 25 LR/SR GEN M3) are fully compatible for reliable feeding.
- Can you remove the muzzle device to install a suppressor?
- No, the Daniel Defense Superior Suppression Device (SSD) is permanently pinned and welded to the 18-inch barrel. This brings the overall barrel length to over 16 inches, a critical NFA compliance point. To mount a suppressor, you would thread it directly onto the 5/8x24 threads of the SSD, which acts as a flash hider and suppressor mount.
- What is the twist rate of the barrel?
- Based on my inspection and Daniel Defense's technical data for the .308 chambering, this 18-inch barrel features a 1:10 twist rate. This twist is optimized to stabilize a wide range of .308 Winchester/7.62 NATO bullet weights from 150 to 180 grains, which covers most hunting and match ammunition.
- How long does shipping take to an FFL?
- For in-stock items, Ironclad Armory processes and ships within 1-2 business days via FedEx or UPS 2-Day Air. Transit time is typically 2-3 business days to your selected Federal Firearms License (FFL) holder once the carrier picks up the package. You must contact your FFL in advance to provide their license information for shipment.