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RADICAL DEFENSE LS-3 SUPPRESSOR

MSRP: $0.00
As low as $899.00
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SKU
RD-LS3 -multi
Why do I need this? A tax stamp is a required tax payment for firearms under the National Firearms Act, such as silencers and SBRs.
Why do I need this? The Single Shot Trust is a simplified gun trust drafted by attorneys to streamline the process of owning an NFA item.

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Free tax stamp included with purchase of this product through Silencer Shop’s website from 1/3/2025 – 1/31/2025 (Please note dates are subject to change based on inventory). The tax stamp will automatically be added to your order after checkout.

Please Note that if the product is backorderable, you can still place a backorder during the promotional timeframe to take advantage of this offer. Your free tax stamp will be applied when your order is filled.

 

The Radical Defense RD-LS3 is a versatile and durable suppressor optimized for 30 caliber platforms, making it an excellent choice for precision shooting, tactical applications, or hunting. Crafted for reliability and exceptional performance, the RD-LS3 delivers industry-leading sound suppression and reduced muzzle signature. Available in Black and FDE finishes, this suppressor seamlessly integrates into your firearm setup for a superior shooting experience. 


FEATURES & BENEFITS 


 
Constructed from Haynes 282, the RD-LS3 is built to withstand the demands of high-pressure calibers while maintaining consistent performance. Its precision-engineered design minimizes sound and flash, improving accuracy and reducing shooter fatigue. Compatible with the KFM 5/8-24 Flash Hider, the RD-LS3 offers secure mounting and reliable muzzle control. Designed for long-term use, this suppressor ensures durability and efficiency for any shooting scenario. 


 
KEY ATTRIBUTES OF THE Radical Defense LS-3 

  • Haynes 282 alloy construction: Exceptional durability for use with high-pressure 30 caliber cartridges. 
  • Optimized for 30 caliber platforms: Provides superior sound and flash suppression across various applications. 
  • Compact and robust design: Balances weight and performance for consistent, reliable use. 
  • Compatible with KFM 5/8-24 Flash Hider: Ensures secure attachment and effective muzzle management. 
  • Available in Black and FDE finishes: Allows customization to suit your firearms style. 


 
TECHNICAL SPECIFICATIONS 

  • Length: 7.5”
  • Diameter: 1.6"
  • Weight: 17.5 ounces
  • Build materials:  Haynes 282
  • Finish: High Temp Cerakote or Alphatek Alphashield IR
  • Color: Black or Flat Dark Earth 


 
WHAT'S IN THE BOX 

  • Radical Defense LS-3 Suppressor
  • KFM Taper Lock Flash Hider
  • 1.375x25 RD Hub Mount
  • Owners Manual


 
How to Buy A Suppressor with Silencer Shop 

  1. Add the RD LS-3 to your cart. Make sure to include a tax stamp and a Single Shot Trust if applicable. The Single Shot Trust makes it easy to add friends and family as additional users of the suppressor.  
  2. Head to your selected Powered By Silencer Shop dealer with a kiosk to complete your demographic and fingerprint scan in just five minutes. Snap a selfie and upload it online within your customer portal with the Silencer Shop app. 
  3. Silencer Shop will email a DocuSign to you. Please review and digitally sign the file from your computer or mobile device. 
  4. Set up your ATF eForms account at eforms.atf.gov. Make sure your email, name, and address match your Silencer Shop profile information exactly. 
  5. You'll receive an email from Silencer Shop that says "Ready to Certify" and includes the phone number of your local Powered by Silencer Shop dealer. Set up a time to certify with your dealer and submit the form to the ATF for processing. 

More Information
Weight 17.5 oz
Dimensions 14x9x6

Product Questions

Customer Questions
What are the advantages of using a .308 suppressor for hunting with subsonic ammo?
A .308 suppressor with subsonic ammo provides enhanced sound reduction by eliminating the sonic crack, reduced recoil for easier shot placement, and minimal disturbance to game and surroundings, making it ideal for hunting situations.
How does the best 5.56 suppressor under $500 compare to more expensive models?
Suppressors around $500, like the Otter Creek Labs Polonium, offer: Good Sound Suppression: Effective noise reduction suitable for most shooters. Durability: Constructed with robust materials. Value: Cost-effective without significant compromise on performance.
Can a faux suppressor on a 5.56 rifle offer any real benefits, or is it purely cosmetic?
Faux silencers or blast diverters can help keep some of the blast away from the shooter, but will often make your rifle sound louder and can actually increase felt recoil. Get a real suppressor if you want the best muzzle device for your firearms.
What is the best AR-15 suppressor adapter, and how does it affect performance?
There are many popular QD mounting devices for the AR-15, such as: Dead Air Keymo, SilencerCo ASR, Q Plan B, and more.
What is the quietest 223 suppressor currently available, and is it suitable for an AR-15?
The quietest 223 suppressors include the CAT WB, PTR VENT 3, and HUXWRX FLOW 556. These silencers focus on suppressing the AR15, they feature back pressure reduction, advanced materials, and innovative designs.
What are the best suppressor options for a 7.62x39 rifle?
Top suppressors for a 7.62x39 rifle include the Dead Air Sandman-S, SilencerCo Omega 300, and HUXWRX FLOW 762 Ti These models are ighly rated for durability, effective sound reduction, and compatibility with the 7.62x39 cartridge, making them popular choices for both hunting and tactical use.
How does a 7.62 suppressor perform compared to a .308 suppressor?
When it comes to suppressor compatibility .308 and 7.62 are synonymous; both are referring to the same size bore of the silencer.
Can you use a 7.62 suppressor on a 5.56 rifle, and what should you consider?
Yes, you can use a 7.62 suppressor on a 5.56 rifle. This allows you to get more versatility out of your silencer, being useful on more firearms in your collection.
What caliber is 7.62, and how does it compare to other popular calibers like 9mm and .308?
The 7.62 caliber typically refers to a 7.62mm bullet diameter and includes cartridges like 7.62x39 and 7.62x51 (.308). Compared to 9mm, 7.62 calibers are more powerful and designed for rifles, while 9mm is typically used in pistols. .308 is another 7.62 caliber with higher energy and range than 7.62x39.
How does the Surefire 7.62 suppressor compare to other brands?
The SureFire SOCOM762-RC2 is known for rugged construction, minimal point-of-impact shift, and a reliable quick-attach mounting system.
What makes the Surefire suppressor 556 a popular choice among AR-15 enthusiasts?
The SureFire SOCOM556-RC2 suppressor is popular due to its: Sound Performance: Cuts down on decibels and protects your hearing. Durability: Built to withstand harsh conditions and high rates of fire. Minimal Point-of-Impact Shift: Maintains rifle accuracy. Quick-Attach System: Allows rapid attachment and detachment. Military Adoption: Proven performance in military applications enhances its reputation.
How far can a 7.62 bullet travel, and does using a suppressor affect range?
A7.62 bullet can easily travel beyond a mile, the effective range for most 7.62/30 caliber cartrides is around 1200 yards. Suppressors tend to slightly increase velocity, leading to a gain in range.
Can a 7.62 suppressor be used with 9mm, and how effective is it?
No, 9mm is larger than .62 and cannot be used in a 7.62 silencer. For multi-cal silencers that can handle 9mm and 7.62 check out the SilencerCo Omega 36M, Rugged Alaskan 360, and YHM R9.
What is the best suppressor for a .308 rifle, and how does it enhance performance?
Top suppressors for a .308 rifle include the SilencerCo Scythe Ti, Dead Air Nomad XC Ti, and CAT ODB. These enhance performance by reducing noise, minimizing recoil, and maintaining accuracy, making shooting more comfortable and precise.
How does a 7.62 suppressor compare to a 5.56 suppressor in terms of noise reduction?
A 7.62 suppressor has a larger bore to accommodate the bigger caliber, making it slightly less effective for sound reduction on 5.56 rounds compared to a dedicated 5.56 suppressor.
What is the quietest 7.62 suppressor available, and how does it achieve superior noise reduction?
The CGS Hyperion, CAT JL, and PTR VENT 1 are among the quietest 30 caliber suppressors available. They use highly advanced 3D printed designs to acheive incredible performance.
How does the performance of a 7.62 suppressor differ when used with 300 Blackout ammo?
With 300 Blackout ammo, especially subsonic rounds, a 7.62 suppressor achieves very effective noise reduction, as subsonic rounds eliminate the sonic crack. The suppressor performs well with both supersonic and subsonic 300 Blackout, making it highly versatile.
What is the thread pitch for a .308 suppressor, and why is it important for compatibility?
Common thread pitches for .308 suppressors are 5/8x24 for and M18x1 (European firearms). Proper thread pitch is crucial to ensure a secure fit, prevent misalignment, and avoid baffle strikes, which could damage the suppressor and compromise safety.
Can a 7.62 suppressor be used for both .308 and 300 Blackout rifles, and how does it perform?
Yes, a 7.62 suppressor can effectively be used for both .308 and 300 Blackout rifles. They perform well in reducing noise and recoil for both calibers, especially with subsonic 300 Blackout rounds, making it a versatile choice across multiple firearms.
What are the differences between 7.62 NATO and 7.62x39 ammo, and how does a suppressor affect each?
7.62 NATO (7.62x51) (.308 Winchester): Used in firearms like the AR-10, offering high velocity and range. 7.62x39: Common in AK-style rifles, with moderate range and power. A suppressor benefits both by reducing muzzle blast and recoil, protecting your hearing and helping with accuracy.
How does a Rugged 30 cal suppressor perform compared to other brands?
Rugged Suppressors, such as the Surge X 7.62, are praised for their modularity and durability. They allow users to adjust the suppressor's length, offering a balance between sound suppression and maneuverability.
Can you use a 30 cal suppressor on a 5.56 rifle, and what are the considerations?
Yes, you can use a .30 cal suppressor on a 5.56 rifle because the larger bore accommodates the smaller 5.56 bullet. Considerations include a slight compromise in sound suppression compared to a dedicated 5.56 suppressor and potential differences in weight and length.
How does a .30 cal suppressor compare to a 5.56 suppressor in terms of performance?
A .30 cal suppressor offers greater versatility since it can handle multiple calibers, including 5.56. However, a dedicated 5.56 suppressor may provide slightly better sound suppression for that specific caliber due to a tighter bore and optimized baffle design. The trade-off is between versatility and maximum suppression efficiency for a single caliber.
What calibers can you use with a 30 cal suppressor, and are there any limitations?
A .30 cal suppressor can typically handle calibers up to .30 caliber, such as .308 Winchester, .300 Blackout, 7.62x39mm, 300 WinMag, and 6.5 Creedmoor. It can also be used with smaller calibers like 5.56 NATO. Some silencers will have barrel length restrictions, fire rate recommendations, or specific caliber ratings.
Can you shoot 9mm through a 30 cal suppressor, and what should you be aware of?
No. 30 cal silencers will not work on 9mm firearms. 9mm is larger in diameter than 308/7.62 and cannot be fired from a 30 caliber suppressor.
What is the thread pitch for a 30 cal suppressor, and how does it affect compatibility?
The most common thread pitch for .30 cal rifles is 5/8x24. The thread pitch must match between the rifle barrel and the suppressor or its mount. Many silencers use interchangable mounts to allow for maximum versatility across multiple firearms.
How does the Surefire 30 cal suppressor compare to other suppressors on the market?
SureFire .30 cal suppressors, like the SOCOM300-SPS, are known for their rugged construction, minimal point-of-impact shift, and consistent performance. They are often used by military and law enforcement.
What are the benefits of using a Dead Air 30 cal suppressor for your rifle?
Dead Air suppressors, such as the Nomad-30 or Sandman S, offer excellent sound suppression, modular mounting options, and lightweight designs. Benefits include reduced recoil, enhanced shooting comfort, and the ability to use the suppressor across multiple rifles and calibers due to its versatility.
Can you use a 30 cal suppressor on a 6.5 Creedmoor, and how does it perform?
Yes, a .30 cal suppressor can be used on a 6.5 Creedmoor rifle. Performance is generally excellent, with effective sound reduction and minimal impact on accuracy.
What is the quietest 30 cal suppressor on the market, and how does it achieve superior noise reduction?
Suppressors like the CAT JL, PTR VENT 1 and CGS Hyperion are often cited for exceptional noise reduction. They achieve superior suppression through advanced baffle designs using 3D printing, high-quality materials, and optimized internal volume that effectively reduce muzzle blast and sound signature.
What are the best 30 cal suppressors for rifles, and how do they perform?
Popular .30 caliber suppressors include the SilencerCo Omega 300, Dead Air Nomad-30, and HUXWRX FLOW 762 Ti. These suppressors are renowned for their excellent sound reduction, durability, and versatility across various rifle platforms. They effectively lower muzzle noise and reduce recoil, enhancing shooting comfort and accuracy.
Can I use a 30 cal suppressor on both my 5.56 and 9mm firearms?
30 Caliber silencers can shoot 5.56 but will not work with 9mm. For a silencer that can handle all of these rounds, check out multi cal suppressors like the SilencerCo Omega 36M or Rugged Alaskan 360.
What is the best budget 30 cal suppressor for shooters on a tight budget?
The YHM Resonator R2 and Otter Creek Labs Polonium 30 are popular budget-friendly options. They offer reliable performance and effective sound suppression at a lower price point, making them suitable choices for shooters mindful of cost without sacrificing quality
How does the YHM 30 cal suppressor perform in terms of durability and noise reduction?
Yankee Hill Machine (YHM) .30 cal suppressors, like the Resonator series, are known for their solid construction and effective noise reduction. Made from durable materials like stainless steel and Inconel, they withstand rigorous use.
What is the best 5.56 suppressor for 2024, and why should I consider it for my AR-15?
Some of the top suppressors for 5.56 rifles in 2024 include the SureFire SOCOM556-RC3, CAT WB, and PTR Vent 3. These suppressors are designed specifically for the AR15 platform, minimizing sound while maximizing reliability. These silencers feature low back pressure designs, signature reducing end caps, and advanced baffle designs to protect your hearing.
How does the quietest 5.56 suppressor compare to other suppressors on the market?
The quietest 5.56 silencers are all designed speicially for the 556/.223 round, which allows them to excel in performance but they trade off multi caliber versatility.
Can I use a .30 cal suppressor on a 5.56 rifle, and what are the pros and cons?
Yes! .30 Caliber silencers will work on the smaller 5.56 round. The pros are the versatility to run the suppressor ona variety of firearms and calibers, at the cost of some sound performance due to the larger bore.
What is the difference between an AR-15 silencer and an AR-15 suppressor?
There is no difference between an AR-15 silencer and an AR-15 suppressor; the terms are used interchangeably. Both refer to devices attached to the firearm's muzzle to reduce the sound of gunfire.
How loud is an AR-15 with a suppressor, and what factors affect the sound reduction?
A suppressed AR-15 significantly reduces the hearing damage risk and sound of a gunshot. Factors affecting sound reduction include: Suppressor Design: Baffle configuration and internal volume. Ammunition: Subsonic vs. supersonic rounds (though subsonic 5.56 ammo is rare). Barrel Length: Shorter barrels may produce louder shots. Environmental Conditions: Surroundings can influence perceived noise.
Can you shoot .223 out of a 5.56 suppressor, and what are the considerations?
Yes, you can shoot .223 Remington ammunition through a 5.56 suppressor.
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