RA9-SD DEFCON4-SD 12″ Standard Config

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Introducing the DEFCON4-SD Integral Suppressed RA9 Suppressor System (AR9 platform)

Elevate your shooting experience with the DEFCON4-SD integral suppressed RA9 suppressor system from Ronin Arms. Crafted with precision engineering and innovative design, this system is the pinnacle of firearm enhancement, offering unparalleled performance and precision.

Unmatched Features:

The DEFCON4-SD system features a 12″ Standard Suppressor paired with a 6.75″ ported barrel, meticulously designed for the AR platform. This combination delivers superior noise reduction and enhanced shooting accuracy, ensuring each shot is precise and impactful. Additionally, the system comes complete with 1 wave washer for added convenience during installation.

Streamlined Purchasing Process:

Ronin Arms values your time and convenience. Dealers can email us for exclusive dealer pricing. During checkout, ensure you select an FFL (Federal Firearms Licensee) that permits suppressor transfers (SOT) to avoid additional processing fees ($25).

Exceptional Warranty Coverage:

Your satisfaction and peace of mind are our priority. Ronin Arms guarantees that the DEFCON4-SD suppressor is free from defects in workmanship and materials, meeting or exceeding all manufacturing specifications. Our warranty covers repair or replacement at our discretion. Please thoroughly read all instructions before use to ensure safe handling and operation. Additionally, please note that our suppressors are non-serviceable.

Safety First:

Safety is paramount when using any firearm accessory. Before utilizing the suppressor, always ensure the firearm is unloaded and the safety is engaged. Never attempt to install or remove the suppressor from a loaded firearm. Follow the provided installation and removal instructions meticulously to prevent accidents and ensure proper functionality.

Enhanced Shooting Experience:

Immerse yourself in the world of suppressed shooting with the DEFCON4-SD system. Whether for tactical applications, competitive shooting, or recreational use, this system delivers unmatched performance and precision. With its advanced design and reliable construction, trust Ronin Arms to elevate your shooting experience to new heights.

Order Yours Today:

Don’t miss out on the opportunity to enhance your shooting arsenal. Order the DEFCON4-SD integral suppressed RA9 suppressor system from Ronin Arms today and experience the difference firsthand. Unlock the full potential of your firearm and elevate your shooting skills with confidence. Whether you’re a seasoned professional or a novice enthusiast, the DEFCON4-SD system is sure to exceed your expectations.

$1,250.00

Only 1 left in Stock!

1 in stock

During checkout, please ensure that you select an FFL (Federal Firearms Licensee) that permits suppressor transfers (SOT). Failure to do so may result in an additional $25 processing fee for us to arrange an eligible FFL on your behalf.
Military and LEO, please contact us to claim your 5% discount.

DEFCON4-SD Full-Size 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 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 DEFCON4-SD 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 DEFCON4-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 DEFCON4-SD Full-Size System?

✔ 6.75″ 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

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

✅ 1.65” Outer Diameter – Perfect balance of length, weight, 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 Full-Size Right for Your Firearm?

✔ Compatible with AR-9 platforms and other standard AR-based PCC systems
❌ NOT compatible with monolithic upper receivers

🚨 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 DEFCON4-SD Full-Size 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 Full-Size Today

Maximize the performance of your AR platform with the DEFCON4-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!