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Daniel Defense SPRIII 5.56mm NATO 18" Barrel 30 Round M-LOK
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$2456.00
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SKU: 02-191-16291-047-818773024907
Overview
Built around the legacy of the MK12, this rifle is aimed at shooters who want a precision-oriented 5.56mm NATO platform with modern mounting and rail features. The 18-inch barrel, rifle-length gas system, and MK12 barrel profile support a setup intended for deliberate, long-range work rather than a lightweight field carry. Its M-LOK mounting system, RIS III rail with full-length ARCALOCK bottom panel, and DD Flash Suppressor provide a practical foundation for accessories and configuration. At 8.6 pounds with the included DD 32-round magazine and hard case, it is a purpose-built option for range use, precision training, or designated marksman roles where stability and setup flexibility matter.
Why Hunters Choose the Daniel Defense
18-inch Mk12-profile
Barrel supports a precision-oriented setup
Rifle-length Gas
System is listed for the
M-lok Mounting
System offers modern accessory compatibility
Ris Iii
Rail includes a full-length ARCALOCK
Includes Dd
Flash suppressor and DD 32-round
Key Features
- 18-inch 5.56mm NATO barrel with MK12 profile for precision-focused use.
- M-LOK mounting system supports accessory attachment.
- Rifle-length gas system included in the factory configuration.
- DD Flash Suppressor installed with 1/2 x 28 TPI muzzle threads.
- RIS III rail system with full-length ARCALOCK bottom panel.
- Includes Daniel Defense 32-round magazine and full-latch impact plastic case.
Best Used For
- Precision-focused shooters building a long-range 5.56mm rifle for deliberate target work.
- Hunters wanting an 18-inch rifle setup for controlled shots and stable optics mounting.
- Users who value the MK12-inspired platform with modern M-LOK and RIS III features.
- Shooters needing a rifle configured for range sessions, load development, and precision practice.
Specifications
| Barrel Length | 18" |
|---|---|
| Barrel Profile | MK12 |
| Caliber | 5.56mm NATO |
| Case | Daniel Defense Full-Latch Impact Plastic Case |
| Gas System | Rifle |
| Length | 34 3/4" - 37 7/8" (w/ muzzle device) |
| Magazine | DD Magazine (32 Round) |
| Manufacturer | Daniel Defense |
| Mounting System | M-LOK |
| Muzzle Device | DD Flash Suppressor |
| Muzzle Thread | 1 ? 2 x 28 TPI (Threads Per Inch) |
| Product Weight | 8.6 lbs |
| Rail System | RIS III w/ full length ARCALOCK bottom panel |
Pros
- 18-inch MK12-profile barrel supports a precision-oriented setup.
- Rifle-length gas system is listed for the SPRIII configuration.
- M-LOK mounting system offers modern accessory compatibility.
- RIS III rail includes a full-length ARCALOCK bottom panel.
- Includes DD flash suppressor and DD 32-round magazine.
- Comes packaged in a Daniel Defense Full-Latch Impact Plastic Case.
Considerations & Trade-offs
- At 8.6 lbs, this is not a lightweight carry rifle, so it may be less convenient for hunters covering a lot of ground on foot.
- The 18" barrel and rifle-length gas system are geared toward precision use, which can make the rifle feel more specialized than a general-purpose hunting setup.
- It ships with a 32-round magazine, which may be more capacity than needed for typical hunting applications and can add bulk.
- The overall length of 34 3/4" to 37 7/8" with the muzzle device may be less compact in blinds, vehicles, or tight cover.
Suggested Comparisons
- Precision AR-style rifle
- Long-range hunting rifle
- Tactical rifle with M-LOK handguard
- 5.56mm NATO rifle
Suggested Accessories
- Rifle sling
- Optic mount
- Backup iron sights
- Cleaning kit
Frequently Asked Questions
What caliber is the Daniel Defense SPRIII chambered in?
It is chambered in 5.56mm NATO.
What barrel length does this rifle have?
The SPRIII has an 18" barrel.
What rail or mounting system does it use?
It uses an M-LOK mounting system and a RIS III rail system with a full-length ARCALOCK bottom panel.
What magazine is included with the rifle?
The listed magazine is a Daniel Defense magazine with a 32-round capacity.
What comes with the rifle besides the firearm itself?
The product data lists a Daniel Defense Full-Latch Impact Plastic Case and a DD Magazine. No other included accessories are specified.