🔥 Unleash the Legendary Stealth Platform – The Ronin Arms MP5SD Conversion 🔥

Build Time: 2–4 Months – We Don’t Rush Excellence

Ready to take your MP5 to the next level? Ronin Arms’ MP5SD integrally suppressed conversion transforms your full-size MP5 into an elite, whisper-quiet system—engineered for smooth cycling, tactical reliability, and unbeatable suppression.

This isn’t a drop-in mod. It’s a full transformation, hand-fitted and TIG welded by one gunsmith, one gun at a time. Live-fire tested. Built with precision. Crafted for shooters who demand the best.

🕒 Turnaround Time: 2–4 Months from when we receive your barreled receiver and valid FFL.
📞 Please don’t call or email to rush your order—craftsmanship takes time, and every build is worth the wait.

🔥 Important Compatibility Notice

✔ This conversion is for standard MP5 full-size receivers only
❌ K receivers are NOT compatible with this conversion
❌ We cannot convert MP5K or MP5K-N style receivers to MP5SD configurations

📌 Before ordering, verify your model to ensure compatibility!

🔧 What’s Included in the MP5SD Conversion?

Every Ronin Arms MP5SD conversion includes top-tier components designed for maximum suppression and flawless reliability:

🔹 12” Defcon4 SD Suppressor
The heart of the build—delivers supreme suppression performance and a balanced, integrally suppressed profile.

🔹 6.75” Ronin Arms MP5SD Ported Barrel
Custom-engineered to reduce 115gr and 124gr ammo to subsonic speeds for quiet, reliable operation.

🔹 SD Barrel Shroud & Standard SD Shroud Cover
Hand-fitted and seamless—delivers both function and the iconic SD aesthetic.

🔹 SD Cocking Tube & Cocking Tube Support
Essential for consistent cycling and durability under suppressed conditions.

🔹 High-Temp Rubber Sealing Ring
Creates a tight gas seal to boost efficiency and reduce carbon buildup.

🔹 SD Front Sight with Sling Loops
Authentic, functional, and installed with precision.

🔹 120° SD Locking Piece
Tuned for smoother recoil and perfect suppressed cycling.

🛠️ Step-by-Step Conversion Process

1️⃣ Disassembly – Removal of all factory barrel and front-end components
2️⃣ Installation of 6.75” Ported SD Barrel – Custom-fitted to your receiver
3️⃣ Fitting of SD Shroud & Cocking Tube – Seamless integration, hand-aligned
4️⃣ TIG Welding – Ensures rock-solid durability and structural integrity
5️⃣ HK Black Factory Finish – Restores factory look with corrosion protection
6️⃣ Reassembly & Test-Firing – Live-fire tested to ensure flawless function
7️⃣ Final Quality Control – Thorough inspections before shipping

🧼 Maintenance & Care

The MP5SD is built for performance and longevity—but routine care matters:

Routine Cleaning – Clean your firearm based on how often you shoot. Keep internals and the action clean.
Keep It Lubed – Proper lubrication ensures smooth cycling and protects moving parts.
Do NOT Lube the Suppressor – The suppressor does not require lubrication or internal cleaning.
Suppressor Service After 40,000 Rounds – Contact us for inspection if your round count reaches this point.
Do Not Attempt to Disassemble or Modify – Tampering will void your warranty.

📦 Shipping & Transfer Information

✔ Ship ONLY your barreled receiver and bolt carrier group
✔ Include your order receipt – Orders without documentation will be returned
✔ FFL Required at Checkout – We must have your dealer’s FFL to begin work
✔ Flat Rate Return Shipping: $125
✔ Your Original Barrel Will Be Returned
⚠️ Extra parts may incur a $50 handling fee and are not guaranteed to be returned

❓ Frequently Asked Questions (RAQs)

Q: Can I send in an MP5K or K-N for this conversion?
A: No. Only full-size MP5 receivers are compatible with the MP5SD platform.

Q: Do I need to clean or service the suppressor?
A: No. It’s sealed and does not require internal maintenance. Contact us after 40,000 rounds for inspection.

Q: Will I get my original barrel back?
A: Yes, it will be returned with your completed build.

Q: Can I send in my complete firearm?
A: Please do not. Send only your barreled receiver and bolt carrier group.

Q: What’s the turnaround time?
A: 2–4 months from when we receive your receiver and FFL.

📞 Please don’t call or email to rush your order—quality takes time.

📌 Compatible Host Platforms

✔ HK SP5
✔ Century Arms AP5
(Full-size receivers only. K models are not compatible.)

🔓 Unlock the Ultimate MP5SD Suppressed Performance

Upgrading your MP5 to the MP5SD with Ronin Arms is an investment in precision engineering, unmatched reliability, and elite-level suppression.

🚀 Experience industry-leading suppression, flawless cycling, and handcrafted perfection.
💥 Order your MP5SD conversion today and feel the Ronin difference.

📩 Questions? Contact us at info@roninarmsaz.com

🔫 Ronin Arms – Precision. Performance. Perfection.

🔥 Join the Ronin Family! 🔥
We love seeing our builds in action—tag us and share your experience!
#RoninArms #RoninFamily