Ronin Arms MP5SD-K Integrally Suppressed Conversion

Build Time: 2–4 Months | Precision-Crafted | Made in the USA

✅ Why Upgrade Your MP5 to the MP5SD-K with Ronin Arms?

If you own a full-size MP5 receiver, you already have a legendary platform. But why stop there? With the Ronin Arms MP5SD-K conversion, you transform your standard MP5 into a compact, integrally suppressed powerhouse—perfect for professionals, collectors, and serious shooters who demand the ultimate in suppression, reliability, and craftsmanship.

This isn’t just a barrel swap. It’s a handcrafted, TIG-welded, live-fire tested evolution of the MP5SD platform, precision-engineered to deliver whisper-quiet performance in a shorter, more agile configuration.

At Ronin Arms, every build follows our “One Gun, One Gunsmith” philosophy—ensuring elite-level precision, reliability, and aesthetics that stand apart from factory offerings.

When you choose Ronin Arms, you’re choosing:
✔ Unmatched Sound Suppression
✔ Compact, Tactical Handling
✔ Premium Materials & Craftsmanship
✔ Rigorous Live-Fire Testing for 100% Reliability

❌ Important Compatibility Notice

✔ This conversion is for full-size MP5 receivers only
❌ MP5K and MP5K-N models are NOT compatible
❌ K receivers cannot be converted to the SD-K platform

📌 Verify your model before ordering to avoid delays and return fees.

🔥 What’s Included in the MP5SD-K Conversion?

8” Wakizashi Titanium Suppressor (NEW for 2025)

✔ Aerospace-grade Titanium Construction – Lightweight yet exceptionally strong
✔ Ultra-Quiet Performance – Engineered for maximum suppression
✔ Estimated Service Life: 40,000–50,000 rounds
✔ Maintenance-Free Design – Ultrasonic compatible

5.75” Ronin Arms MP5SD-K Ported Barrel

✔ Precision-Ported for Optimal Gas Regulation – Reduces standard 115gr and 124gr ammo to subsonic speeds
✔ Eliminates the need for 147gr subsonic ammo
✔ Engineered for Reliability – Flawless cycling and reduced recoil

Additional Premium Components

• SD Barrel Shroud & Cover – Hand-fitted for a seamless factory look

• SD Cocking Tube & Support – Reinforced for structural integrity

• High-Temperature Sealing Ring – Maximizes efficiency and minimizes carbon buildup

• 120° SD Locking Piece – Smoother recoil and consistent cycling

• SD Front Sight with Integrated Sling Loops – Functional, authentic design

🛠 How the MP5SD-K Conversion Process Works

1️⃣ Disassembly – Removal of your factory barrel and components
2️⃣ Precision Installation – 5.75” ported barrel 
3️⃣ TIG Welding – Shroud, cocking tube, and front sight reinforced for durability
4️⃣ HK Black Factory Finish – Restores authentic appearance and corrosion resistance
5️⃣ Live-Fire Testing – Every conversion is tested under real conditions
6️⃣ Final QC Inspection – Ensures perfection before shipping

Technical Specifications (Copy-Friendly)

• Suppressor: 8” Wakizashi Titanium (Integrally Suppressed)

• Barrel Length: 5.75” Ronin Arms Ported SD Barrel

• Locking Piece: 120° SD Spec

• Estimated Suppressor Life: 40,000–50,000 rounds

• Maintenance: Non-serviceable (Factory rebuild available)

• Finish: HK Factory Black

📦 Shipping & Transfer Information

✔ Ship ONLY your barreled receiver and bolt carrier group
✔ Include your printed order receipt – Required for processing
✔ Suppressor Transfer: Handled via ATF Form 3 to your dealer’s FFL/SOT
✔ Original Barrel Returned with your completed conversion

🚫 Do NOT send extra parts (stocks, trigger packs, optics) – $50 handling fee applies; return not guaranteed

⏳ Build Time & ATF Notes

• Estimated Build Time: 2–4 months

• ATF Form 3 Transfer Required: Wait times are outside our control
  ⚠ Status calls do not speed up processing

🔐 Refund & Cancellation Policy

⚠️ All Sales Are Final

Because every Ronin Arms product — from full builds to suppressors, parts, and conversions — is hand-built or custom-fit to order:

• All sales are final on every item and service we offer.

• No cancellations, returns, or refunds once an order is placed.

• NFA items, custom builds, and conversion services are non-refundable.

We operate on a “One Gun. One Gunsmith.” standard of craftsmanship. Each order is scheduled, parts allocated, and work begins immediately to meet your timeline.

Please review your order carefully before checkout. If you have any questions or need clarification, reach out before purchasing — we’re happy to help ensure your order is exactly what you want.

✅ Why Choose Ronin Arms for Your MP5SD-K?

✔ True Integrally Suppressed Performance – Whisper-quiet shooting, factory-level reliability
✔ Compact Design – Optimized for CQB and tactical use
✔ Premium Materials – Titanium suppressor, precision-machined components
✔ Handcrafted Excellence – Built one at a time for unmatched quality

🔓 Unlock the Ultimate MP5SD-K Suppressed Experience

When you upgrade with Ronin Arms, you’re not just converting a firearm—you’re investing in elite craftsmanship, cutting-edge suppression technology, and proven reliability trusted by professionals and enthusiasts alike.

🚀 Experience precision. Experience Ronin.
👉 Order your MP5SD-K conversion today and join the Ronin Family!

📩 Questions? Email info@roninarmsaz.com
📌 Tag your build: #RoninArms #RoninFamily