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“In Stock” does not mean ready to ship. It means we have suppressor inventory available and can allocate a suppressor to your order and place it into our active processing queue.
When an order is placed, suppressor inventory is assigned to your order and prepared for transfer. Each suppressor must be inspected, verified, and processed before shipment.
Suppressors are not pre-packaged and sitting on a shelf ready to ship. Every order requires dealer information, transfer paperwork, and processing before it can leave our shop.
Timing can vary depending on:
🔹 Receipt of your dealer’s FFL/SOT information
🔹 Form 3 submission and approval timelines
🔹 Current order volume
🔹 Scheduled shipping days
Each suppressor is individually inspected and verified to Ronin Arms™ standards before shipment.
As a boutique manufacturer, we intentionally limit production and inventory releases to maintain quality and ensure every suppressor receives the attention it deserves.
Our goal is simple: build it right the first time, not build it fast.
Thank you for supporting American manufacturing and the Ronin Arms™ family.
The Yumi by Ronin Arms™ was developed for shooters who want the flexibility of a K-length SD platform while retaining the suppression characteristics of a full-size SD suppressor.
Designed exclusively for Ronin Arms™ 5.75″ K-Variant SD barrel systems, the Yumi allows owners to choose between the compact 8″ Wakizashi™ configuration or the full-size 12″ Yumi™ configuration on the same host firearm.
For years, K-variant owners had only one suppressor option. The Yumi™ changes that by bringing full-size SD suppressor performance to Ronin Arms™ K-Variant platforms without requiring a full-size host firearm.
Whether you’re running an MPXSD-K, MP5K-SD Conversion, RA5SD-K, AP5-P SD Conversion, AP5-M SD Conversion, SP5K SD Conversion, or another compatible Ronin Arms™ K-Variant system, the Yumi provides the flexibility to configure your firearm exactly how you want it.
Built from aerospace-grade titanium and utilizing the same proven construction methods found throughout the Ronin Arms™ suppressor lineup, the Yumi delivers exceptional durability, lightweight handling, and outstanding suppression performance.
The Yumi is designed specifically for Ronin Arms™ K-Variant SD systems utilizing our 5.75″ SD barrel.
✅ MPXSD-K
✅ MP5K-SD Conversions
✅ RA5SD-K Full Builds
✅ AP5-P SD Conversions
✅ AP5-M SD Conversions
✅ HK SP5K Conversions
✅ HK MP5K Conversions
✅ HK MP5K-N Conversions
✅ HK SP89 Conversions
✅ PTR 9KT Conversions
✅ Zenith ZF-5P Conversions
✅ Zenith ZF-5K Conversions
✅ Other compatible Ronin Arms™ K-Variant SD platforms
🚫 Full-Size MPXSD Systems
🚫 Full-Size MP5SD Systems
🚫 Any Ronin Arms™ SD Platform utilizing a 6.75″ barrel
The Yumi was purpose-built for K-length SD platforms and is not intended for use on full-size SD hosts.
The Yumi by Ronin Arms™ was developed around one goal: bringing full-size SD suppressor performance to K-Variant platforms.
🔹 Full-size 12″ suppressor configuration
🔹 Aerospace-grade titanium construction
🔹 Lightweight design
🔹 Optimized gas flow and pressure management
🔹 Full-auto rated
🔹 Designed specifically for Ronin Arms™ SD systems
🔹 Allows shooters to choose between the Wakizashi or Yumi on the same host firearm
The result is a suppressor that gives K-Variant owners the ability to configure their firearm for maximum compactness or maximum suppression depending on their needs.
As with all Ronin Arms™ SD platforms, the Yumi by Ronin Arms™ is engineered to run standard 9mm ball ammunition.
✅ 115gr Ball
✅ 124gr Ball
Ronin Arms™ SD barrels are ported to reduce standard-velocity ammunition to subsonic speeds at the muzzle. Subsonic ammunition is not required for proper operation.
🚫 Polymer-coated or synthetic-coated ammunition is not recommended.
These rounds are not designed for SD porting or suppressor environments and may cause excessive fouling.
✔ Aerospace-grade titanium construction
✔ 12-inch full-size suppressor
✔ 14.8 oz total weight
✔ Full-size SD suppression for K-Variant platforms
✔ Full-auto rated
✔ 18×1 SD interface threading
✔ Cerakoted Black finish
✔ Designed exclusively for 5.75″ K-Variant SD systems
✔ Compatible with Wakizashi-equipped hosts
Material: Aerospace-grade Titanium
Length: 12 Inches
Weight: 14.8 oz
Diameter: 1.65″
Thread Interface: 18×1 SD
Finish: Cerakoted Black
Rating: Full-Auto Rated
Maintenance: No cleaning needed for 40–50K rounds. The system actually becomes quieter as carbon accumulates. Ultrasonic cleaning is recommended only at extended service intervals.
Each Yumi by Ronin Arms™ is built under the Ronin Arms™ standard.
🔸 Precision fitment and alignment
🔸 No mass production
🔸 No outsourced internals
🔸 Built from premium aerospace-grade titanium
Every suppressor is built for long-term reliability and consistent performance.
All Ronin Arms™ products are built or fitted to order.
⚠️ All sales are final
⚠️ No cancellations or refunds once an order is placed
⚠️ NFA items and custom services are non-refundable
Please review your order carefully prior to checkout. Contact Ronin Arms™ with any questions before purchasing.
The Wakizashi offers the shortest overall package and maximum maneuverability. The Yumi provides the suppression characteristics and appearance of a full-size SD suppressor while utilizing the same 5.75″ K-Variant SD barrel system.
Many shooters choose to own both, allowing them to configure their firearm for different applications while retaining the same host firearm.
Yes. The Yumi is designed for sustained fire and demanding use.
No. Ronin Arms™ SD systems are engineered to reduce 115gr and 124gr ammunition to subsonic velocity at the muzzle.
No. The Yumi was specifically engineered around Ronin Arms™ 5.75″ K-Variant SD barrel systems and is not intended for use on full-size SD platforms.
“Accept No Imitations. One Gun. One Gunsmith.”™
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