Ronin Arms RA5-SD – The Ultimate Integrally Suppressed MP5SD Build

Build Time: 4–6 Months | Precision-Crafted | Made in the USA

✅ Own the Gold Standard of MP5SD Builds

The Ronin Arms RA5-SD isn’t just another clone—it’s the pinnacle of integrally suppressed MP5 engineering, crafted for shooters who demand elite suppression, flawless reliability, and authentic performance.

Every RA5-SD is hand-built by one master gunsmith from start to finish, adhering to Ronin Arms’ “One Gun, One Gunsmith” philosophy. The result? Seamless integration, flawless cycling, and world-class suppression in a purpose-built platform trusted by operators and collectors alike.

✔ No shortcuts. No compromises. No mass production.
✔ Built for professionals, enthusiasts, and serious collectors.

🔥 Limited production. Secure your build now—slots fill fast! 🔥

🔊 Why Choose the Ronin Arms RA5-SD?

✔ True Integral Suppression – Suppressor and barrel engineered together for maximum sound reduction and reliability
✔ Titanium Suppressor Technology – Strong, lightweight, and designed for extreme round counts
✔ Handcrafted Perfection – Each build is custom-fitted, TIG-welded, and live-fire tested
✔ Premium Components – From receiver to bolt group, every part is elite

🛠 Premium Features & Components of the RA5-SD

✔ LSC Receiver Flat – Built for Strength & Precision

✔ Precision-rolled and welded for maximum strength
✔ Perfect geometry for reliable operation and flawless fit

✔  Cold Hammer Forged 6.75” Ported SD Barrel

✔ Engineered for maximum suppression and accuracy
✔ Precision porting ensures 115gr and 124gr ammo runs subsonic
✔ Cold hammer forged for unmatched durability and longevity

✔ 12” Katana Titanium SD Suppressor – Fully Integrated & Ultrasonic Compatible

✔ Aerospace-grade Titanium Construction – Lightweight, incredibly strong
✔ Extended Service Life: Rated for 400,000–500,000 rounds
✔ Low Maintenance Design – No internal cleaning required; ultrasonic compatible for external care
✔ Whisper-Quiet Suppression – Industry-leading sound reduction with minimal blowback
✔ Optimized Gas Flow – Reduces backpressure for smooth cycling and reliability

✔ Tungsten-Filled RCM Bolt Group

✔ Flawless cycling and smooth operation under all conditions
✔ Built to last with tungsten-filled components for weight and balance

✔ HK SP5-Style Ambidextrous Trigger Pack & Housing

✔ Ambi selector for intuitive control
✔ Crisp, consistent trigger pull for precision shooting

✔ Additional Premium Features

✔ Integrated 1913 Rail – Rock-solid optics platform
✔ HK Black Finish – Corrosion-resistant, professional-grade coating
✔ 30-Round Curved Magazine – HK spec, built for reliability

🎨 Customization Options Available

✔ Stock & Handguard Choices – Configure your build for your needs
✔ Cerakote Upgrade – Premium color options for a unique finish

🔧 RA5-SD Build Process – No Compromises, Ever

✔ Precision Barrel Installation – Hand-fitted and aligned for suppressor integration
✔ Cocking Tube & Shroud Assembly – Expertly fitted for strength
✔ TIG Welding – Reinforces critical components for extreme durability
✔ HK Black Finish – Factory-grade aesthetic and corrosion resistance
✔ Live-Fire Testing – Each build validated for flawless performance

📦 Ordering, Shipping & Compliance Information

✔ FFL Required – Suppressor requires SOT transfer
✔ NFA Compliance – ATF Form 4 process required at your FFL
✔ Build Time: 4–6 months (quality takes time)

🔐 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.
Accept No Imitations.

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.

✅ Who is the RA5-SD For?

✔ Collectors & Enthusiasts – Own the most authentic, precision-built MP5SD
✔ Professionals & Agencies – Trusted for duty, training, and tactical use
✔ Discerning Shooters – Demand top-tier accuracy and true SD performance

🔊 Suppressor Maintenance & Warranty

✔ Non-Serviceable Design – Rated for 400,000–500,000 rounds
✔ Ultrasonic Cleaner Compatible for external care
✔ Contact Ronin Arms for authorized servicing when required
❌ Do NOT attempt disassembly – Voids warranty

🔥 Secure Your RA5-SD Build Today!

When you choose the RA5-SD, you’re not just buying a firearm—you’re investing in heritage, innovation, and elite-level craftsmanship.

🚀 Experience the ultimate MP5SD platform. Experience Ronin Arms.
👉 Reserve your RA5-SD now and join the Ronin Family!

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