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

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

✅ Own the Gold Standard of MP5SD-K Builds

The Ronin Arms RA5-SD-K is not just another clone or conversion—this is a true, integrally suppressed MP5SD-K, engineered from the ground up for elite suppression, flawless reliability, and uncompromising performance.

Every RA5-SD-K is handcrafted by one master gunsmith from start to finish, following our “One Gun, One Gunsmith” philosophy. The result? Precision-fit components, smooth cycling, and industry-leading suppression in a purpose-built platform trusted by professionals and serious shooters alike.

✔ No shortcuts. No compromises. No mass production.
✔ Built for operators, collectors, and enthusiasts who demand the best.

🔥 Limited production. Reserve your build today before slots fill up! 🔥

🔊 Why Choose the Ronin Arms RA5-SD-K?

✔ True Integral Suppression – Barrel and suppressor engineered together for maximum sound reduction and reliability
✔ Titanium Suppressor Technology – Lightweight, ultra-strong, and designed for extreme round counts
✔ Handcrafted Perfection – Each build is fit, welded, and tested by one master gunsmith
✔ Premium Components – From the receiver flat to the bolt group, every part is top-tier

🛠 Premium Features & Components of the RA5-SD-K

✔ LSC Receiver Flat – Built for Strength & Precision

✔ Precision-rolled and welded for extreme durability
✔ Perfect geometry for seamless alignment and flawless cycling

✔  Cold Hammer Forged 5.75” Ported SD Barrel

✔ Engineered for maximum suppression and accuracy
✔ Precision porting allows 115gr and 124gr ammo to run subsonic
✔ Cold hammer forged for long life and superior strength

✔ 8” Wakizashi Titanium SD Suppressor – Fully Integrated & Ultrasonic Compatible

✔ Aerospace-grade Titanium Construction – Ultra-light, ultra-tough, built for extreme use
✔ Extended Service Life: Rated for 400,000–500,000 rounds
✔ Low Maintenance Design – No internal cleaning required; compatible with ultrasonic cleaners for external care
✔ Whisper-Quiet Suppression – Industry-leading noise reduction with minimal blowback
✔ Optimized Gas Flow – Reduces backpressure for smooth, reliable cycling

✔ Tungsten-Filled Bolt Group

✔ Engineered for smooth operation and durability
✔ Tungsten-filled for optimal weight and cycling consistency

✔ HK SP5-Style Ambidextrous Trigger Pack & Housing

✔ Factory-correct ergonomics
✔ Smooth, responsive trigger pull for precise control

✔ Additional Premium Features

✔ Integrated 1913 Rail – Rock-solid optics mounting solution
✔ HK Black Finish – Corrosion-resistant, professional-grade coating
✔ 30-Round Curved Detachable Magazine – Engineered for flawless feeding

🎨 Customization Options Available

✔ Stocks & Handguards – Choose the configuration that suits your needs
✔ Cerakote Upgrade – Premium finish for durability and a custom look

✔ All Full Builds Include a Savior Case – Premium protection and transport, tailored for your Ronin firearm

🔧 RA5-SD-K Build Process – No Compromises, Ever

✔ Precision Barrel Installation – Hand-fitted and aligned for perfect suppressor integration
✔ Cocking Tube & Shroud Assembly – Seamlessly fitted for structural strength
✔ TIG Welding – For uncompromising durability and longevity
✔ HK Black Finish – Factory-grade aesthetics and corrosion resistance
✔ Live-Fire Testing – Every build is range-tested for flawless performance

📦 Ordering, Shipping & Compliance Information

✔ FFL Required – Suppressor requires SOT transfer
✔ NFA Compliance – All federal requirements apply; ATF Form 4 handled 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-K For?

✔ Collectors & Enthusiasts – Own a precision-built, historically accurate SD-K
✔ Professionals & Agencies – Trusted by those who demand elite suppression and reliability
✔ Tactical Shooters – Built for smooth, controlled, whisper-quiet 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 if needed
❌ Do NOT attempt disassembly – This voids warranty

🔥 Secure Your RA5-SD-K Build Today!

When you invest in an RA5-SD-K, you’re not just buying a firearm—you’re owning a piece of innovation and craftsmanship.

🚀 Experience the pinnacle of integrally suppressed MP5SD-K engineering.
👉 Click “Add to Cart” and reserve your build now!

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