DEFCON4-SD Integral Suppressed RA9 Suppressor System – The Ultimate Self-Install Suppression Upgrade

⏳ Turnaround Time: 2-3 Weeks – Precision Takes Time

Upgrade your AR platform with the DEFCON4-SD Integral Suppressed RA9 Suppressor System, engineered for unmatched noise suppression, enhanced accuracy, and superior performance. Designed for tactical professionals, competitive shooters, and firearm enthusiasts, this system is a game-changer in integrally suppressed technology.

Unlike traditional suppressor conversions that require professional gunsmithing, the DEFCON4-SD is designed for easy self-installation, allowing you to enhance your firearm without extensive modifications.

🔥 ⚠️ 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

Take control of your shooting experience with cutting-edge suppression. The DEFCON4-SD system is designed to:

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

At Ronin Arms, we merge precision engineering, expert craftsmanship, and the highest-quality materials to bring you a high-performance suppressor system built for serious shooters.

🛠️ What’s Included in the DEFCON4-SD System?

✔ 5.75″ Ronin Arms Ported SD Barrel – Engineered for Maximum Suppression

✅ 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

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

✅ 1.65” Outer Diameter – Perfect balance of compactness and suppression efficiency
✅ Built for 40,000-50,000 rounds of maintenance-free operation
✅ No cleaning required – Contact us for servicing when needed
✅ 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 DEFCON4-SD 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.

📦 Order Yours Today – Precision Built, Ready to Ship

Every DEFCON4-SD Suppressor System is built to exacting standards and rigorously tested before shipping.

🚀 Turnaround time: 2-3 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 50,000 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

🔥 Upgrade Your Firearm – Order the DEFCON4-SD Today

Take your AR platform to the next level with the DEFCON4-SD Integral Suppressed RA9 Suppressor System. Engineered for top-tier performance, easy installation, and extreme durability, this system sets the standard for integrally suppressed 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!