RA9-SD Katana SD 12″ Standard Config

Katana Full-Size Integral Suppressed RA9 Suppressor System – The Ultimate Self-Install Suppression Upgrade

⏳ Turnaround Time: 3–5 Weeks – Precision Takes Time

Upgrade your AR platform with the Katana Full-Size Integral Suppressed RA9 Suppressor System, designed to deliver unmatched noise suppression, superior accuracy, and enhanced durability. Built for tactical professionals, competitive shooters, and firearm enthusiasts, this full-size integrally suppressed system is engineered to maximize stealth, performance, and reliability.

Unlike traditional suppressor conversions that require professional installation, the Katana Full-Size is designed for easy self-installation, allowing you to enhance your firearm with minimal effort.

🔥 ⚠️ IMPORTANT: This item requires transfer through an FFL with an SOT. Ensure you select a dealer that can handle NFA items during checkout.

🔊 Superior Sound Suppression & Unmatched Performance

Elevate your shooting experience with cutting-edge suppression technology. The Katana SD Full-Size system is built to:

✔ Optimize ballistic performance for maximum accuracy
✔ Reduce recoil for improved control and rapid follow-up shots
✔ Deliver whisper-quiet operation while maintaining full reliability

At Ronin Arms, we merge advanced engineering, expert craftsmanship, and premium materials to deliver an industry-leading integral suppressor system designed for real-world performance.

🛠️ What’s Included in the Katana Full-Size System?

✔ 6.75″ Ronin Arms Ported SD Barrel — Our Design, Manufactured by MOS TEK

✅ Proprietary Ronin Arms design, precision-manufactured by MOS TEK exclusively to our specifications
✅ Reduces 115gr and 124gr ammo to subsonic speeds – no need for expensive 147gr subsonic rounds
✅ Optimized for reduced recoil, superior accuracy, and flawless cycling
✅ 18 x 1 rear thread pitch – ensures secure suppressor attachment and seamless compatibility

✔ 12″ Katana SD Suppressor – Fully Integrated

✅ 1.65” Outer Diameter – perfect balance of length, weight, and suppression efficiency
✅ Built for 200,000 rounds of maintenance-free operation
✅ Ultrasonic compatible
✅ Minimal blowback design for cleaner function and reduced fouling
✅ Lightweight yet ultra-durable construction, designed for high round counts

✔ Wave Washer for Easy Installation

✅ Ensures a secure and stable suppressor fit
✅ Designed for quick and hassle-free self-installation – no gunsmith required!

⚠️ FFL & Compatibility – Is the Katana Full-Size Right for Your Firearm?

✔ Compatible with AR-9 platforms and other standard AR-based PCC systems

🚨 This is an NFA item and must be transferred through an FFL with an SOT.
During checkout, you must select an FFL dealer that can process suppressor transfers to avoid delays and extra fees.

Need help finding an FFL? Contact us at info@roninarmsaz.com.

📦 Order Yours Today – Precision Built, Ready to Ship

Every Katana Full-Size Suppressor System is built to exacting standards.

🚀 Turnaround time: 3–5 weeks – Quality takes time, and we ensure every unit meets our high-performance standards before it reaches you.

📌 Choose your FFL wisely – this is a restricted item that requires an NFA transfer.

🔧 Suppressor Maintenance & Warranty – Built to Last

✔ Non-serviceable design – no cleaning required for up to 200,000 rounds
✔ Contact us before sending for servicing – unauthorized returns will be rejected
❌ DO NOT attempt disassembly – tampering voids warranty

💯 Ronin Arms Warranty
✔ Covers defects in materials & workmanship
✔ Repair or replacement at our discretion
❌ Not covered for misuse, neglect, unauthorized modifications, or improper installation

⚙️ Installation & Use – Keep It Running Smoothly

🚨 DO NOT FIRE WITHOUT THE SUPPRESSOR INSTALLED 🚨 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

⚠️ 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.

🔥 Upgrade Your Firearm – Order the Katana SD Full-Size Today

Maximize the performance of your AR platform with the Katana-SD Full-Size Integral Suppressed RA9 Suppressor System. Engineered for top-tier sound suppression, effortless installation, and extreme durability, this system sets the standard for full-length integral suppression technology.

📌 LIMITED AVAILABILITY – ORDER NOW to secure yours before the next production run!

📸 Tag us in your build photos and share your experience! We love seeing our products in action — connect with us on social media and let us know what you think!