About Airgun Silencers

Airgun silencers (often referred to as “moderators” or “muzzle brakes”) are devices designed to reduce the noise produced when an airgun is fired. While airguns are generally quieter than firearms, they can still generate significant noise, especially in the case of high-powered or large-calibre models. An airgun silencer helps mitigate this noise, making the shooting experience quieter and more discreet. 

How Airgun Silencers Work

Airgun silencers operate on similar principles as firearm suppressors, though they are typically smaller and designed for lower-pressure gases. The key functions of an airgun silencer include:

1. Reducing Muzzle Report: The sound of the “crack” that occurs when the airgun pellet is expelled at high speed is dampened. The silencer reduces the impact of the compressed air or gas exiting the barrel.
2. Reducing Air Discharge Noise: Most of the noise from an airgun is caused by the sudden release of compressed air or gas. A silencer dissipates this gas more gradually, lowering the noise generated when it’s expelled from the muzzle.
3. Internal Baffles and Expansion Chambers: Inside the silencer, there are typically a series of baffles or expansion chambers that redirect and slow the escape of air. This process helps to reduce the shockwave and muffles the sound.
4. Reducing the Supersonic Crack: If the pellet is travelling faster than the speed of sound (above approximately 1,125 feet per second, or 343 meters per second), a sonic boom-like crack can occur as the pellet breaks the sound barrier. Silencers are generally ineffective at reducing this sound, but subsonic pellets can help mitigate this issue when combined with a silencer.

Legal Considerations

The legality of airgun silencers varies depending on the country, state, or region. In some places, silencers for airguns are fully legal and can be purchased without restrictions, while in others, they may be heavily regulated or outright banned.

For example:

• United Kingdom: Airgun moderators are legal to own and use as long as they are attached to an airgun that does not exceed certain power limits.
• United States: The legal status of airgun suppressors varies by state, and in some states, they may be subject to regulations similar to those for firearm suppressors.

It’s important to check your local laws before purchasing or using a silencer for your Airguns.

Benefits of Airgun Silencers

1. Noise Reduction: The primary advantage of using an airgun silencer is a significant reduction in noise. This can be especially beneficial for hunters, pest control, or target shooters who want to minimize disruption.
2. Improved Stealth: A quieter airgun is less likely to scare away game or alert others in the area, making it a valuable tool for hunting and varmint control.
3. Less Disturbance: In areas where noise pollution is a concern, or where airguns are used in close proximity to residential areas, a silencer can help reduce the impact on the surrounding community.

Disadvantages

1. Cost: High-quality airgun silencers can be relatively expensive, and prices may vary depending on the materials and brand.
2. Size and Weight: Some silencers can add bulk and weight to the airgun, which may affect handling, especially in field situations or if you are using a smaller, more compact airgun.
3. Legal Issues: As mentioned earlier, the legal status of silencers varies by location. Using one in a region where it is illegal could result in fines or other legal consequences.
4. Potential Decrease in Velocity: Some silencers can slightly affect the velocity of the pellet, though this is generally a minor concern with modern designs.

Types of Airgun Silencers

1. Internal Moderators: These are built into the barrel or the shroud of the airgun and are often lightweight and compact. They are integrated into the design of the airgun, making them ideal for hunters who need to maintain a low profile.
2. Screw-on Silencers: These are external attachments that screw onto the end of the barrel, making them easy to attach or remove. They are available for many airguns with threaded barrels and are often made of aluminum or stainless steel.
3. Slip-on Silencers: These are similar to screw-on versions but are designed to slip over the end of the barrel and are held in place by friction or a mounting mechanism. They are often easier to install and remove.
4. Modular Systems: Some airgun suppressors are modular, allowing for the addition or removal of sections to adjust the level of noise reduction.

Materials Used in Airgun Silencers

• Aluminium: Lightweight, corrosion-resistant, and affordable. Often used in budget or mid-range silencers.
• Stainless Steel: Offers greater durability and resistance to wear, making it ideal for higher-end silencers.
• Titanium: Extremely lightweight and strong but more expensive. It’s often used for premium silencers.
• Polymer or Plastic Components: These are sometimes used for baffles or outer casing to reduce weight and cost.

Popular Brands and Models

Some of the popular brands producing airgun silencers include:

• Huggett: Known for high-quality airgun moderators that are quiet and efficient.
• A-Tech: A manufacturer of noise-reducing moderators that are often used with both rifles and airguns.
• DonnyFL: A popular brand offering a range of custom-designed, effective airgun suppressors, especially known for their sleek designs and sound performance.

Conclusion

Airgun silencers are valuable accessories for anyone looking to reduce noise levels when shooting their Air Rifles and even Air Pistols. They offer practical benefits in terms of stealth, noise reduction, and legal compliance in certain areas. However, it’s crucial to understand the local laws regarding their use and to choose a silencer that fits the specific type and calibre of Air Guns you own. When used responsibly, an airgun silencer can significantly enhance the shooting experience, whether you’re target shooting, hunting, or engaged in pest control.

About This Blog

Shop Address: Just Air Guns, Trimex House, Pier Road, Feltham, TW14 0TW
Website: www.justairguns.co.uk
Email: [email protected]
Phone: 0330 999 5224
Blog Title: About Airgun Silencers
Blog Author: Mark Watts