• Reading time:25 mins read
  • Post category:Suppressors
  • Post last modified:April 5, 2024
  • Post published:December 2, 2022

Best 45 Auto/45 ACP Suppressors

What is 45 Suppressor? 😏

It is a device attached to or part of the barrel of a firearm or air gun which reduces the amount of noise and visible muzzle flash generated by firing. Suppressors are typically constructed of a metal cylinder with internal mechanisms to reduce the sound of firing by slowing the escaping propellant gas. It is specifically designed to handle the power and size of .45 ACP rounds.

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Advanced Armament – Ti-Rant® 45 Auto Pistol Suppressor
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Features 💡

⚪ Firstly, one of the most notable features is its ability to reduce noise significantly. This is achieved through a series of partitions or baffles that direct the gases released when a gun is fired, allowing them to expand and cool slowly. This slows down the speed at which the gases leave the gun, thereby reducing the sound of the shot. This makes the suppressor ideal for situations where discretion is crucial, like hunting or target shooting in populated areas.

⚪ Another remarkable feature is its use in reducing recoil. The suppressor does this by delaying the escape of propellant gases from the muzzle when a round is fired, which in turn reduces the backward momentum of the gun. This can improve shooting accuracy, especially in rapid-fire situations.

⚪ In terms of construction, these suppressors are often built with high-quality, durable materials like steel, titanium, or aluminium, which can withstand high-pressure gases and intense heat generated by gunshots. This ensures a long life span for the suppressor, making it a cost-effective accessory in the long run.

⚪ Lastly, a significant feature is its thread size and pitch compatibility. It often comes with a standard threading specification, which makes it compatible with a wide range of firearms. This versatility is a great advantage for gun enthusiasts, allowing them to use the same suppressor across different guns.

How It Works 😏

✴️ It functions by manipulating the behaviour of propellant gases released when a firearm is discharged. The suppressor is a metal cylinder screwed onto the end of the firearm’s barrel and is equipped with internal baffle sections, which are essentially a series of chambers.

When a shot is fired, the bullet leaves the barrel propelled by high-pressure gas from the combustion of the gunpowder.➡️  Without a suppressor, this gas exits the barrel behind the bullet, creating a loud noise.

However, when a suppressor is attached, the gases are funnelled into its enclosed system. ➡️ The gas then expands into the suppressor’s baffle chambers, where it is temporarily trapped and allowed to cool. This gradual release of the gases reduces the sound wave amplitude significantly, resulting in a quieter sound when the bullet finally exits the firearm.

We believe this video can be helpful for you 📺

Maintenance 🔰

Maintaining your suppressor is equally as important as its installation. Good maintenance ensures optimal performance and longevity of your suppressor. Here are some tips for maintaining:

🟡 Regular Cleaning: After every use, it’s essential to clean your suppressor. Residue from discharges can accumulate, affecting the suppressor’s performance over time. Depending on the type of suppressor, you may need a specialized cleaning solution or simple soap and water. Always refer to your manufacturer’s instructions.
🟡 Inspection:  Before and after each use, inspect your suppressor for any visible signs of damage. Monitor for any loose parts or unusual sounds when shaking the suppressor.
🟡 Thread Care:  Be sure to clean and inspect the threads on both your firearm and suppressor regularly. Any grit or buildup could affect the suppressor’s secure fit over time.
🟡 Storage: When not in use, store your suppressor in a dry, temperature-controlled environment. This prevents any potential damage from moisture or extreme temperatures.

Remember, always follow the manufacturer’s instructions for maintenance procedures. If you notice any serious issues or damages, it is advised to consult with a professional or the manufacturer.

Regular maintenance will ensure that your suppressor operates at its peak performance, providing you with a quieter and more controlled shooting experience.

Best 45 Suppressor Reviews

1# Gemtech – Blackside Suppressor

Gemtech - Blackside Suppressor

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The Blackside suppressor from Gemtech is the perfect choice for those searching for top-tier performance on their .40 S&W or 45 ACP pistols. This impressive suppressor delivers excellent results, thanks to its innovative design and superior construction. The Blackside is available in .578-28 or Metric 16×1 LH, making it easy to find the perfect fit for your pistol. And with its durable construction, the Blackside will stand up to anything you throw at it.

Video review

  • Excellent sound reduction
  • Durable construction
  • Wide range of compatibility
  • Heavier than other suppressors


2# Advanced Armament – Ti-Rant® 45 Auto Pistol Suppressor

Advanced Armament - Ti-Rant® 45 Auto Pistol Suppressor

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The Ti-Rant® 45 Auto Pistol Suppressors from Advanced Armament are ultra-high-performance silencers that offer unmatched durability and compact dimensions. Made from grade 9 titanium, these suppressors are built to last and can be easily disassembled for cleaning and maintenance. The “K” baffles offer class-leading performance, and when used with a wet charge of water, they can increase performance by up to 30%.

Video review

  • Compact dimensions
  • Lightweight
  • ASAP™ booster system for flawless semi-automatic operation
  • Can be quickly disassembled for cleaning and maintenance
  • Compact dimensions may not fit all 45 Auto handguns


3# Dead Air Armament – Ghost-M Pistol Suppressor

Dead Air Armament - Ghost-M Pistol Suppressor

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The Dead Air Armament Ghost-M pistol suppressor is a modular multi-calibre suppressor that is fully auto-rated and features a unique patent pending modular design. Break it down to the short configuration and you have the smallest and quietest .45 can in its class. When it’s time to be scary quiet, the Long configuration with wipes is the way to go. A combination of 17-4 stainless steel, titanium, and anodized 7075 aluminium materials in all the right places ensures rugged reliability and minimum weight.

Video review

  • Small and lightweight
  • Modular design
  • Full auto rated
  • Rugged reliability
  • Booster assembly required (pistons sold separately)


4# Silencerco – Osprey .45 Suppressor

Silencerco - Osprey .45 Suppressor

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Seeking a suppressor that both looks and performs like it was made for your host weapon? Then you need the Silencerco Osprey. This top-of-the-line suppressor is designed with the modern combat handgun in mind, maximizing sound suppression levels while still allowing you to use your factory sights. Additionally, the Osprey features several user-friendly operationally friendly features that make it a joy to use. Don’t settle for second best when it comes to silencing your firearm – pick up a Silencerco Osprey today!

  • An eccentric silencer
  • Trustworthy
  • Reasonably priced
  • Not as effective as other suppressors


5# Sig Sauer, inc. – Modx-45 45 Auto Suppressor

Sig Sauer, inc. - Modx-45 45 Auto Suppressor

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The MODX-45 from SIG SAUER is an excellent choice for those who want a lightweight, modular suppressor that can be customized to their specific needs. Made from titanium baffles, this suppressor is strong yet lightweight and can be easily disassembled and reconfigured. The MOD-X9 and MOD-X45 provide class-leading sound performance, while the 21 points of impact adjustment make it easy to get the perfect shot every time. The fixed barrel spacer is perfect for carbine use, and each suppressor comes with the most popular Imperial and Metric piston for its given calibre.

Video review

  • Made from titanium baffles, which makes it strong yet lightweight
  • Can be easily disassembled and reconfigured
  • Provides class-leading sound performance
  • Does not have a lot of impact adjustment


6# Area 419 – Hellfire Linear Flash Suppressor

Area 419 - Hellfire Linear Flash Suppressor

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If you need the perfect muzzle device for your carbine, SBR, or AR pistol, note the Area 419 Hellfire Linear Flash Suppressor. This half-flash hider, the half-blast forwarder is specifically designed to reduce flash signature and concussion while shooting. Made from durable 17-4 PH Stainless and Black Nitrided materials, this two-part system is easy to install and built to last. Order yours today and be ready for anything!

  • Reduces flash signature
  • Reduces concussion
  • Made from durable materials
  • Easy to install
  • May be too loud for some shooters
  • Does not reduce noise


7# JMac Customs 360 .578S-28 X12 45 Muzzle Brake with Alpha Suppressor Mount

JMac Customs 360 .578S-28 X12 45 Muzzle Brake with Alpha Suppressor Mount

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Do you wish muzzle brake and suppressor combo that is shorter, lighter, and simpler than most on the market? Then check out the JMac Customs 360 .578S-28 X12 45 Muzzle Brake with Alpha Suppressor Mount! This product allows for the direct threading of several suppressors onto your firearm, with no adapters required. Additionally, it is compatible with BDS-12 Blast Diversion Shields and 1.125×28 thread suppressors.

Video review

  • Less expensive than others
  • Lightweight
  • Minimal added length
  • Reduced recoil
  • Installation must be done by a professional


Installation 🛠️

Before we dive into the process, let’s list the essential tools required for a suppressor installation:

  1. Gunsmith Screwdriver Set
  2. Barrel Vise
  3. Wrench or Multi-Tool appropriate for your suppressor
  4. Thread Locking Compound (optional)

Now let’s break down the installation steps:

  1. ☑️ Ensure Safety: Always prioritize safety when working with firearms. Before starting any installation or modification, take the necessary precautions to ensure your firearm is unloaded. Remove the magazine, open the chamber, and visually inspect it to confirm that it is empty and safe to proceed.
  2. ☑️ Remove the Existing Muzzle Device: Using a reliable gunsmith screwdriver set, carefully remove any existing muzzle devices that are attached to your firearm’s barrel. Take your time to unscrew them properly, ensuring that you don’t damage the barrel or the device itself.
  3. ☑️ Clean the Threads: It’s important to maintain the cleanliness of the barrel threads for a proper and secure installation. Take a cloth or brush and thoroughly clean the threads on the barrel, ensuring that they are free of any dirt, debris, or residue that may hinder the suppressor’s attachment.
  4. ☑️ Install the Suppressor: With the barrel threads cleaned, it’s time to attach the suppressor. Carefully align the suppressor with the barrel, making sure the threading matches up properly. Slowly and steadily screw the suppressor onto the firearm’s barrel, ensuring that it threads smoothly and evenly. Use your hand to tighten it firmly, but avoid over-tightening to prevent any potential damage.
  5. ☑️ Secure the Suppressor: For additional security and peace of mind, you can use a wrench or a multi-tool to further tighten the suppressor. This will help ensure that the suppressor is securely attached and reduces the risk of it loosening during use. If desired, you can also apply a thread-locking compound to create a more secure fitting, although this step is optional and depends on your personal preference and the specific requirements of your firearm.

Remember, always refer to the manufacturer’s instructions and guidelines when installing any firearm components or accessories. Following proper installation procedures and safety measures will help ensure a successful and safe experience.

To ensure that the process is done safely and effectively, adhere to these safety rules:

  • Always wear safety glasses when working with firearms.
  • Ensure the firearm is pointed in a safe direction.
  • Don’t forget to use hearing protection when testing your newly installed suppressor.

⚠️ Always consult with a professional if you’re unsure about the process or if the suppressor doesn’t seem to fit correctly. Incorrect installation can lead to poor performance and potential safety hazards.

Watch this video to find more information 💻



How to choose a suppressor for 45?

🔘 First, consider sound reduction needs – do you need suppression at the shooting range, for hunting, or for tactical applications? Decibel reduction ratings by independent reviewers can give you objective data to compare models. Generally, wider and longer cans provide more internal volume which increases sound dampening. Subsonic ammo helps maximize noise reduction too.

🔘 Weight is a key factor – lighter cans using titanium, aluminium, or alloy materials make for easier manoeuvring compared to steel models. But they cost more. Look for durable, high-quality materials that balance weight savings with strength to handle repeated firing pressure.

🔘 For precision shooting, favour alignment – precision machined baffles and mounts that align the suppressor consistently with the bore axis can improve accuracy. Monolithic designs with no internal parts avoid point-of-impact shift issues.

🔘 Other considerations are calibre restrictions, mounting style (direct thread, quick detach, tri-lug, etc.), length, diameter, full auto-rated capability, and manufacturer warranty. Toolless disassembly for cleaning is a nice convenience as well.

✅ Do ample research from unbiased sources like forums and gun media. Talk to fellow shooters with suppressor experience. Rent or test samples when possible before purchasing. Buying the best value suppressor for your specific needs will lead to years of greater shooting enjoyment.

Are 45 Auto suppressors and 45 ACP the same?

The short answer is no, 45 Auto suppressors and 45 ACP are not exactly the same. Let me explain further:

The 45 ACP (Automatic Colt Pistol) cartridge was designed by John Browning in 1904 for use in the famous Colt M1911 pistol. The 45 ACP fires a 0.45-inch diameter bullet and has been a very popular handgun cartridge in the United States for over 100 years thanks to its stopping power and accuracy.

🔇 A suppressor, also known as a silencer, is a device attached to the end of a firearm that reduces the sound of firing by slowing and cooling the escaping propellant gases. Suppressors come in different sizes and designs depending on the calibre of the firearm.

So a 45 Auto suppressor is specifically designed to be used on firearms that fire the 45 ACP cartridge. The suppressor attaches to the end of the 45 ACP firearm’s barrel to make it quieter when fired.

While a 45 ACP firearm can fire without a suppressor, a 45 Auto suppressor cannot work properly on its own without being attached to a 45 ACP firearm. The two go hand in hand.

Think of it like a key and a lock – the 45 ACP cartridge is like the key, and the 45 Auto suppressor is like the lock specifically made for that key. The suppressor does not function alone, it needs the right calibre firearm to attach to.

Can you use a 9mm suppressor on 45?

No, it is not recommended to use a 9mm suppressor on a .45 calibre firearm. The reasons are:

  • ✔️ Calibre mismatch – A 9mm suppressor is specifically designed for the smaller 9mm bullet diameter (0.355 inches), so attempting to fire the larger .45 calibre round (0.452 inches) through it could be dangerous.
  • ✔️ Baffle strikes – The internal baffles on most suppressors are precisely aligned for a particular calibre. Putting a .45 through a 9mm suppressor risks the bullet striking the baffles, damaging the suppressor.
  • ✔️ Poor fit – Even if you could get a .45 round through the 9mm suppressor, the looser fit would allow excess gas leakage and less sound reduction. The suppressor would not perform nearly as well.
  • ✔️ Safety issues – Trying to use improper calibre suppressors can also run the risk of a baffle strike causing a booster assembly failure. This could send suppressor parts downrange and injure people.

The only potential exception is rimfire suppressors, some of which can safely handle both .22LR and .22 Magnum rounds. But for centerfire pistol calibres like 9mm and .45 ACP, you should always match the suppressor to the firearm’s calibre. Using the correctly matched suppressor maintains safety, maximizes sound reduction, and prevents damage. Thanks for the interesting question!

Do I need a special license to own a 45 suppressor?

Owning a suppressor does require following some specific legal steps in the United States to acquire the proper licensing, which I’m happy to explain in detail:

🟨 The National Firearms Act (NFA) regulates suppressors, short-barreled rifles, machine guns, and other firearms it considers “Title II weapons.” This was enacted in 1934 under the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). Under the NFA, citizens must pass background checks and pay a $200 tax stamp fee to legally own suppressors and other NFA firearms.

To acquire a .45 suppressor as a civilian, you must first find a Class III federal firearms licensed dealer who can process the suppressor purchase. The process begins with completing ATF Form 4, which includes personal information, photo, fingerprints, make/model/serial number of the suppressor, and local chief law enforcement officer sign-off.

This Form 4 paperwork is then sent by the dealer, along with your $200 tax check, photos, and fingerprints, to the ATF for approval. The ATF runs comprehensive background checks looking at your personal, criminal, and mental health history to ensure you’re legally eligible to own suppressors.

If approved, the ATF sends you a stamped tax stamp to serve as your license. This whole application process typically takes 6-10 months for suppressor transfers to be approved. You are then able to take possession of the suppressor from the dealer once the tax stamp arrives.

It’s a lengthy legal process, but following these NFA steps properly allows civilians to legally acquire Class III firearms like .45 suppressors for lawful use. Let me know if you need any clarification or have additional questions!

Are there different types of 45 suppressors?

Yes, there are several different types of .45 calibre suppressors available. The key variables in suppressor designs include materials used, type of internal baffles, solid monolithic versus tubular construction, and whether the suppressor runs wet or dry. Each offers different advantages for sound, weight, precision, and maintenance.

Monolithic – This is a single baffle-less unit, usually made from titanium or high-grade aluminium. Monolithic suppressors have no internal parts, so they are very durable. They offer good sound reduction too. Popular .45 monolithic models include the Dead Air Odessa and Liberty Cosmic.
K-Baffle – These feature a series of spaced internal cones or disks (baffles) designed to trap and cool gases. K-baffle suppressors are common for .45 ACP pistols. Examples are the Rugged Obsidian 45 and SilencerCo Osprey 45.
Wire Mesh – Steel wire meshes between baffles help further dissipate heat and gases. The added surface area improves sound dampening. The SureFire Ryder 45-Ti2 is a premium suppressor using wire mesh in its design.
Titanium Tube – These lightweight suppressors use seamless titanium tubing to contain the internal baffle stack. Models like the SIG Sauer SRD45 offer excellent corrosion resistance with titanium.

Conclusion 🤩

The .45 suppressor is a valuable accessory that enhances the functionality of firearms. It plays a critical role in reducing noise levels during discharge, improving shooting accuracy, and minimizing recoil. With careful installation and regular maintenance, a suppressor can significantly improve the overall shooting experience, offering benefits that extend beyond mere sound suppression. Hence, it remains a popular choice among firearm enthusiasts and professionals alike.

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6 months ago

Good day. I am interested in 45 suppressors durable.

    6 months ago
    Reply to  Captain

    The durability of a .45 suppressor, like any firearm accessory, depends on several factors, including its construction, materials, and how it’s used and maintained. Many reputable manufacturers produce durable and rugged suppressors designed to withstand the rigors of regular use. Key considerations for the durability of a .45 suppressor include:

    🟣 Materials: High-quality suppressors are often made from durable materials such as stainless steel, titanium, or advanced alloys. These materials are chosen for their resistance to corrosion and wear.

    🟣 Build Quality: Well-constructed suppressors have precise machining and assembly, which contributes to their overall durability. The attachment threads, baffles, and end caps should be robust and securely fastened.

    🟣 Maintenance: Regular maintenance is essential for prolonging the life of a suppressor. Carbon buildup and fouling can affect its performance and lifespan. Proper cleaning and maintenance following the manufacturer’s guidelines are crucial.

    🟣 Use with Appropriate Caliber: Using a suppressor with the correct caliber and ammunition is vital. Mismatched or excessive calibers can cause damage to the suppressor over time.

    🟣 Round Count: The number of rounds fired through a suppressor can affect its durability. While many suppressors are rated for thousands of rounds, heavy use may necessitate more frequent maintenance and potentially impact longevity.

      6 months ago
      Reply to  Captain

      I’ve put thousands of rounds through my .45 suppressor, and it’s still going strong. The key to durability is regular maintenance. Keep it clean and well-lubricated, and it should last a long time.

        6 months ago
        Reply to  Captain

        I’ve accidentally dropped my .45 suppressor a couple of times (oops!) without any noticeable damage. Quality construction goes a long way in ensuring durability.

          6 months ago
          Reply to  Captain

          Hot loads and +P rounds can put more stress on your suppressor, potentially affecting its longevity.

            6 months ago

            I’ve been running a SilencerCo Osprey .45 on my Glock 21 for a while now, and it’s been great. The eccentric design helps keep the sights clear, and it’s relatively easy to clean. Prices vary, so shop around for deals.

              6 months ago

              Just a quick tip for those new to suppressors – don’t forget to check your state and local laws regarding ownership and usage. NFA regulations can be quite the headache if you’re not prepared.

                Brian Brown
                Brian Brown
                6 months ago

                Hi! Can I use subsonic ammunition with a 45 suppressor?

                  6 months ago
                  Reply to  Brian Brown

                  🟩 Yes, you can use subsonic ammunition with a .45 suppressor, and it is a common practice among those who want to maximize the noise reduction benefits of suppressors. Subsonic ammunition is designed to travel at speeds below the speed of sound (approximately 1,125 feet per second at sea level). When fired through a suppressor, subsonic ammunition can further reduce the noise generated by the gunshot for several reasons:

                  🔶 Reduced Sonic Crack: Subsonic ammunition doesn’t break the sound barrier, so it eliminates the supersonic “crack” or “sonic boom” associated with bullets traveling faster than the speed of sound. This is one of the primary sources of noise in gunfire.

                  🔶 Lower Gas Pressure: Subsonic ammunition typically has lower muzzle velocities and less gas pressure, resulting in less noise generated from the expanding gases escaping at the muzzle.

                  🔶 Quieter Report: When used in combination with a suppressor, subsonic ammunition can create a significantly quieter shooting experience compared to supersonic ammunition.