Daniel Defense DDM4® MK12 SPR — California Compliant, 5.56x45mm NATO, 18" Barrel, 10+1, Black Hard Coat Anodized, 6-Position Stock w/ SoftTouch® Overmolding, Black Polymer Grip
Model: 0214213175055 • UPC: 815604015806 • Caliber: 5.56x45mm NATO (accepts .223 Rem) • Capacity: 10+1 (CA compliant) • Barrel Length: 18" • Finish: Black Hard Coat Anodized • Stock: 6-position, SoftTouch® Overmolded • Grip: Black polymer
Bring precision-rifle confidence to the AR platform with the Daniel Defense DDM4 MK12 SPR (CA Compliant). Inspired by the Mk12 Special Purpose Rifle concept, this configuration delivers match-grade accuracy, tuned gas performance, and rock-solid ergonomics—while meeting California 10-round and feature requirements. An 18" barrel gives optimal velocity and dwell time for 5.56/.223 loads, while the hard coat anodized receiver set, premium trigger feel, and 6-position SoftTouch® overmolded stock keep handling smooth from prone to barricade.
Why Choose the DDM4 MK12 SPR (CA Compliant)
SPR DNA for Accuracy: The 18" barrel length and rifle-inspired gas system support consistent velocities and flatter recoil impulse for precision at distance.
Premium Daniel Defense Build: Known for exacting QC, DD pairs rugged hard coat anodized receivers with a precision barrel and quality components that hold zero and run clean.
California-Ready Out of the Box: Ships in a 10+1 configuration and feature set tailored for California compliance—buy with confidence and hit the range faster (verify local rules).
SoftTouch® Control: The 6-position stock with SoftTouch overmolding enhances cheek weld and shoulder grip for stable shot execution across positions.
Duty-Grade Reliability: Thoughtful gas tuning and premium materials help ensure smooth cycling across common .223 Rem and 5.56 NATO loads.
Key Features & Specifications
Caliber: 5.56x45mm NATO (compatible with .223 Remington)
Capacity: 10+1 (California-compliant configuration)
Barrel: 18", precision profile, optimized for SPR-style accuracy; threaded muzzle (verify device and thread pitch on this SKU)
Receivers: 7075-T6 aluminum, black hard coat anodized for wear and corrosion resistance
Operating System: Direct impingement, tuned for reliability and softer recoil characteristics
Handguard/Rail: Free-float system for uninterrupted barrel harmonics (exact rail pattern varies by batch—see live listing)
Stock: 6-position adjustable with SoftTouch® overmolding for comfort and consistent cheek weld
Grip: Black polymer, ergonomic angle for prone and supported shooting
Controls: AR-pattern controls; crisp, duty-reliable trigger feel
Sights: Optic-ready (sights not always included)
Model / UPC: 0214213175055 / 815604015806
Compliance Note: California regulations evolve. While this rifle ships CA configured, always verify current state and local requirements (features, transport, and transfer) with your FFL before purchase.
Real-World Performance Benefits
SPR-Level Precision: The 18" system delivers the velocity and dwell time you want for 77-gr match and popular 55–69 gr loads, helping tighten vertical and improve wind calls.
Recoil & Tracking: Tuned gas and the longer barrel yield a smoother impulse, making it easier to spot your own hits and run faster follow-ups.
Free-Float Advantage: A rigid, free-float rail ensures consistent POI when loading bipods, bags, or barricades.
All-Day Comfort: The SoftTouch stock mitigates slip on jackets and packs; 6-position adjustability sets ideal LOP for your body type and gear.
Ideal Use Cases
Precision Carbine / DMR Role: Stretch 5.56 to distance for steel and practical precision.
Training & Classes: Consistent performance with common .223/5.56 loads for high-rep skill building.
Range & Recreation (CA): Compliant configuration for California shooters seeking match-grade accuracy in a modern sporting rifle.
Setup Tips (Get the Most from Your MK12 SPR)
Optics: Consider a low-power variable optic (LPVO) 1-8x/1-10x or a 2-10x / 3-15x for DMR roles; choose an offset red dot for CQB transitions.
Mounting: Use quality mounts torqued to spec; confirm eye relief prone and seated.
Muzzle Device: Verify thread pitch and CA legality before adding a brake or comp; a properly timed device can reduce sight movement.
Ammunition: Test 69–77 gr OTM for distance; 55–62 gr loads excel for general training. Chronograph and build a real DOPE card.
Support Gear: A bipod, rear bag, and two-point sling unlock SPR potential from prone and positional stages.
Maintenance & Care
Routine Cleaning: Keep the BCG, chamber, and gas path clean and lightly lubed for long-string reliability.
Torque & Threadlocker: Verify optic mount and rail fasteners per manufacturer specs.
Inspection: Periodically check gas key staking, castle nut, and receiver pins—especially after travel or high round counts.
Safety & Compliance
Know the Law: Follow California and federal rules for features, magazine capacity, transport, and storage.
Safe Handling: Treat every firearm as loaded; maintain strict muzzle and trigger discipline.
Secure Storage: Use a compliant locking device or safe; store ammunition separately where required.
Frequently Asked Questions
Q: Will it shoot .223 Remington?
A: Yes. The chambering is 5.56 NATO, which safely accepts .223 Rem. Always follow ammunition manufacturer guidance.
Q: Is it truly California compliant out of the box?
A: It ships 10-round configured and feature-restricted for CA, but always verify current regulations and FFL requirements before transfer.
Q: What’s the barrel twist rate and thread pitch?
A: Twist and thread pitch can vary by run. Check the live product listing or barrel markings for this exact SKU.
Q: Are sights included?
A: The rifle is optic-ready; some packages include sights, others do not—confirm the listing.
Q: What role is the MK12 SPR best for?
A: It excels as a precision-oriented carbine/DMR, balancing accuracy, shootability, and practical handling.
SEO Highlights (Quick Scan)
Daniel Defense DDM4 MK12 SPR CA Compliant — 5.56x45mm NATO, 18" barrel, 10+1
Black hard coat anodized receivers, 6-position SoftTouch® stock, black polymer grip
Free-float rail, SPR-inspired accuracy, duty-grade reliability
Model 0214213175055, UPC 815604015806 — precision-focused AR for California shooters
Own precision with a purpose. The Daniel Defense DDM4 MK12 SPR (CA Compliant) blends SPR heritage, Daniel Defense craftsmanship, and California-ready configuration to deliver a rifle that trains hard, shoots flat, and performs when it counts.
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