DANIEL DEF. DD4 SPRIII 18″ – MK12 RIFLE 5.56X45 32RD BLACK

Daniel Defense DD4 SPRIII 18" MK12 Rifle for 5.56 NATO

The Daniel Defense DD4 SPRIII 18" MK12 rifle is built for shooters who want a modern, duty-oriented AR platform that supports dependable performance for range use, home defense planning, and everyday readiness. Chambered in 5.56 NATO / .223 REM, this 18-inch configuration balances handling and velocity for a versatile build. The DD4 SPRIII features a semi-automatic action and comes finished in a durable black finish with a 32-round magazine capacity.

Key Specifications

• Manufacturer is Daniel Defense.
• Manufacturer Part Number is 02-191-16291-047.
• Model is SPRIII.
• Action is Semi-Auto.
• ATF Type is Modern Sporting Rifle.
• Barrel Length is 18 in.
• Caliber/Gauge is .223 REM / 5.56 NATO.
• Rate of Twist is 1:7 in.
• Capacity is 32 rd.
• Number of Magazines included is 1 (32 rd).
• Product Type is AR.
• Sights are Not Included.
• UPC is 818773024907.
• Length is 42.5 in.

This Daniel Defense DD4 SPRIII 18-inch MK12-style 5.56 rifle is designed for practical reliability and fast setup with its AR-configuration components. A 1:7 twist supports a wide range of commonly used 5.56/.223 projectile weights, while the 18" barrel helps maintain a balanced feel for home defense and training contexts. With its 32-round capacity and Daniel Defense build quality, it delivers a solid platform for precision-minded marksmanship and dependable defensive readiness.

Frequently Asked Questions (FAQs)

1) What caliber is the Daniel Defense DD4 SPRIII 18" MK12 Rifle?

It is chambered in .223 REM / 5.56 NATO, offering compatibility with common AR-15-family ammunition types within safe, manufacturer-approved use.

2) What is the barrel length and twist rate?

The barrel length is 18 inches and the rate of twist is 1:7 inches, which is well-suited for stabilizing a variety of 5.56/.223 loads.

3) Does this rifle come with sights?

No, the product listing specifies No Sights Included, so you may want to add an optic and/or compatible co-witness backup sights based on your intended setup.

4) What magazine capacity comes with the rifle?

It includes 1 magazine with a 32-round capacity.

5) Is this a semi-automatic rifle?

Yes, the action type is Semi-Auto.

6) What does “ATF Type: Modern Sporting Rifle” mean for buyers?

It indicates the firearm is classified as a Modern Sporting Rifle under applicable ATF/HF classification standards, which is relevant for legal sales and compliant configuration.

7) Are there state restrictions for shipping?

The listing states no direct ship to California, and no sale to Illinois, Rhode Island, and Washington; state-by-state rules can change, so buyers should verify eligibility before purchase.

8) Is this rifle suitable for home defense or EDC use?

It can be considered for defensive training and home defense planning; however, safe handling, proper training, and appropriate accessories (such as optics, light, and a suitable defensive-capable setup) are strongly recommended.