MPX-SD K Conversion Service – The Ultimate Integrally Suppressed Upgrade for Your MPX-K

⏳ Turnaround Time: 4-6 Weeks – Please Be Patient

Our conversion process is meticulously crafted for precision and reliability. We do not control ATF processing times, and calling for status updates will only delay your project. Rest assured, we are committed to delivering the highest quality product within the estimated time-frame.

🔊 Experience Unmatched Performance, Stealth, and Precision

Elevate your SIG MPX-K with the Ronin Arms MPX-SD K Conversion Service, the pinnacle of integrally suppressed firearm technology. Designed for professional shooters, law enforcement, and firearm enthusiasts, this precision-engineered upgrade transforms your MPX-K into an ultra-quiet, high-performance weapon system with no compromise on reliability, durability, or accuracy.

At Ronin Arms, we combine cutting-edge engineering, meticulous craftsmanship, and the highest-quality materials to bring you a true integrally suppressed MPX-K, offering seamless function, reduced recoil, and whisper-quiet operation.

🛠️ What’s Included in the MPX-SD K Conversion?

✔ 5.75″ Ronin Arms Ported SD Barrel

• Precision-engineered to reduce the velocity of standard 115gr and 124gr ammo to subsonic speeds
• No need for expensive 147gr subsonic ammo – run full-power rounds quietly
• Optimized for maximum accuracy, minimal recoil, and consistent performance
• 18 x 1 rear thread pitch for compatibility and secure attachment

✔ 8″ SD Suppressor – Fully Integrated & Non-Serviceable

• Designed for 40,000-50,000 rounds of maintenance-free operation
• No cleaning required – contact us for servicing when needed
• Lightweight yet durable, built to withstand rigorous use
• Provides exceptional noise reduction and minimal blowback, ensuring a cleaner shooting experience

✔ Precision Receiver Machining

• Expertly machined to exacting tolerances, ensuring seamless fitment and functionality
• Guarantees perfect barrel and suppressor alignment for optimal accuracy

✔ Expert Barrel Installation

• Professionally installed and tested for flawless performance
• Ensures long-term durability and reliability

⚠️ Compatibility – Is Your MPX Ready for This Upgrade?

✔ Compatible with SIG MPX Gen1, Gen2, and Gen3 models
❌ NOT compatible with MPX models featuring monolithic upper receivers, including the Copperhead Monolithic

🔧 Recommended Handguard Upgrade – Midwest Industries 8″ Handguard

For the best performance and accessory compatibility, we highly recommend the Midwest Industries 8″ Handguard, featuring:

• Lightweight yet rugged construction for superior handling
• M-LOK compatibility for seamless mounting of lights, grips, and accessories
• Optimized modularity for a fully customized shooting experience
• Important Note: If adding accessories, screw length may need to be modified for proper fitment

📦 How to Send Your MPX for Conversion

📌 Print and include your order receipt – Orders without a receipt will be returned.
📌 Ship ONLY the barreled upper receiver – Extra parts will incur a $50 handling fee and may not be returned.
📌 Follow our shipping instructions carefully to ensure a smooth process.
📌 We will process a Form 3 to your FFL.
📌 You will complete your tax stamp and paperwork at your FFL.

🔊 Suppressor Maintenance & Warranty – No Cleaning Needed

✔ Non-serviceable design – Built for 40,000-50,000 rounds before requiring maintenance
✔ Contact us before shipping for servicing – Do not send without prior authorization
✔ DO NOT attempt disassembly – Tampering voids the warranty

💯 Ronin Arms Warranty

✔ Covered for defects in materials & workmanship
✔ Repair or replacement at our discretion
❌ Not covered for misuse, neglect, unauthorized modifications, or improper installation

⚙️ Installation & Removal – Keep It Running Smoothly

🚨 DO NOT FIRE WITHOUT A SUPPRESSOR 🚨
Serious damage may occur

✔ Ensure your firearm is unloaded before installing/removing the suppressor
✔ Hand-tighten only – Over-tightening can damage threads
✔ Allow suppressor to cool before removal

⏳ Turnaround Time: 4-6 Weeks – Precision Takes Time!

🔹 Every build is crafted with precision – Quality takes time, and we refuse to cut corners.
🔹 We do NOT control ATF wait times – Please be patient, as we have no influence over processing delays.
🔹 Calling for updates will NOT speed things up – In fact, it may slow down the process. Trust us, we’re moving as fast as possible!
🔹 We will process a Form 3 for your suppressor and transfer it to your FFL.
🔹 Your barreled upper receiver will be shipped back to you along with your original barrel.

⚠️ IMPORTANT: SHIPPING NOTIFICATIONS ⚠️
You will receive two separate email notifications when your items ship—one for your suppressor and another for your upper receiver. These notifications come from a third-party system, so please check your spam folder if you don’t see them.

🔥 Join the Ronin Arms Family!

When you choose Ronin Arms, you’re not just upgrading your MPX—you’re becoming part of a tight-knit community of shooters who demand the best in performance, innovation, and craftsmanship.

We love seeing our customers in action, and we want to hear your feedback! Tag us in your videos and posts showing off your MPX-SD K build, and let us know how your upgraded platform performs.

📌 Follow & Tag Us – Let’s see your Ronin Arms build in action!
📩 Share your experience – We value your feedback and look forward to making your next firearm upgrade even better!

💥 Order Now – Elevate Your MPX Experience!

✅ Ready to take your MPX-K to the next level? Don’t settle for stock performance when you can have integrated suppression, elite accuracy, and whisper-quiet shooting.

📩 Have questions? Contact us at info@RoninArmsaz.com (But remember—calling won’t speed up your order!)

🚀 ORDER NOW & EXPERIENCE THE ULTIMATE MPX-SD K UPGRADE!