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 RCM 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

🔧 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

• No refunds once the suppressor is Form 3 transferred

• All cancellations subject to 20% restocking fee

✅ 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