Description
The Yankee Hill Machine Co Turbo K Suppressor, 5.56MM, Rifle Suppressor, 4.9″ When in Direct Thread Configuration, (5.5″ When Using QD Adapter), Black, Includes QD Muzzle Brake Mount 1/2X28 is a compact, durable sound suppressor designed for 5.56mm rifles. It offers a choice between a direct-thread or quick-detach (QD) mounting system, providing significant sound reduction and recoil mitigation in a short, lightweight package ideal for tactical and defensive use.
Key Features
- Compact & Lightweight: At just 4.9 inches in direct-thread config, it keeps your rifle maneuverable for home defense or tight spaces.
- Dual Mounting Options: Includes both a direct-thread adapter and a QD muzzle brake mount for flexible, secure attachment.
- Full-Auto Rated: Built tough with stellite baffles and a 17-4 stainless steel tube for sustained fire and long service life.
- Complete Kit: Comes ready to mount with the suppressor, QD muzzle brake (1/2×28), and a direct thread adapter—no need to buy extra parts.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.56mm / .223 Remington |
| Length (Direct Thread) | 4.9 inches |
| Length (with QD Mount) | 5.5 inches |
| Weight | Approx. 13.5 oz |
| Mount System | Direct Thread & QD Muzzle Brake (1/2×28) |
| Construction | 17-4 Stainless Steel, Stellite Baffles |
Priced at $350.33, this suppressor delivers proven performance without the premium price tag. The package is drop-in ready for any rifle with a standard 1/2×28 thread pattern, like the ubiquitous AR-15 platform. That means once your tax stamp clears, you can install it yourself—no gunsmithing required. The included QD muzzle brake mount also serves as a functional brake when the can is off, so your rifle isn’t left with a bare thread protector. Here’s the thing—when it comes to home defense, a shorter, quieter rifle is easier to handle indoors and reduces the disorienting concussion for you and your family.
Who It’s For
This suppressor is built for the practical shooter. It’s for the Missouri hunter who wants to be a better neighbor in the field, the tactical carbine course regular looking to manage recoil and noise on the clock, and the home defender prioritizing situational awareness. It’s compatible with standard AR-15 uppers and other 5.56mm rifles with a 1/2×28 thread. If your priority is a no-fuss, rugged can that gets the job done without adding excessive length or cost, this is a strong contender.
Pros & Cons
Pros: Excellent value for money. Compact size maintains rifle balance. Includes both mounting systems out of the box. Proven, simple design that’s easy to maintain. Full-auto rating speaks to its durability.
Cons: As a K-can (shorter suppressor), it won’t be as quiet as full-length models—though the trade-off for reduced length is often worth it. The QD system adds about half an inch of overall length compared to direct thread.
Weighing approximately 13.5 ounces, it adds minimal heft to your rifle’s muzzle. This suppressor ships to Missouri and compliant US states after the mandatory NFA paperwork and tax stamp approval process is complete through your local FFL. Remember, an FFL transfer is required for the final step of any NFA item purchase.
Frequently Asked Questions
Q: What all is included in the box?
A: You get the Turbo K suppressor core, a 1/2×28 direct thread adapter, a QD muzzle brake (also 1/2×28), and a user manual. It’s a complete kit ready for mounting.
Q: Is this compatible with .223 Wylde barrels?
A: Yes. The 1/2×28 thread pattern is standard for .223/5.56 barrels, including those chambered in .223 Wylde. It will thread on and function perfectly.
Q: Can I use this on a 300 Blackout rifle?
A: While it’s rated for 300 Blackout subsonic ammunition, we do not recommend using it with supersonic 300 Blackout rounds. For dedicated 300 Blackout use, especially with supersonic loads, a suppressor specifically designed for that caliber is a safer choice.
Ready to add this versatile, compact suppressor to your setup? Start the process by contacting us to check availability and discuss the NFA transfer. Available at firearms-missouri.com for Missouri residents and nationwide.




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