The Biggest Mistake People Make Buying Suppressors

Main Takeaway

The quietest suppressor is not automatically the best choice. Buyers should consider the firearm and intended use, then weigh sound, back pressure, weight, flash, durability, mounting, and modularity rather than choosing by a single decibel figure.

How Suppressor Sound Figures Can Mislead

• Gunshots are brief and loud, so accurate measurement requires fast equipment with sufficient dynamic range. Older analog meters could substantially underestimate sound.
• Readings vary with the firearm, ammunition, barrel length, measurement position, and surroundings, including walls and ground reflections. A suppressor’s ranking can change from one host firearm to another.
• Muzzle readings and shooter-ear readings can tell different stories. Reduced-back-pressure designs may be louder at the muzzle but quieter at the shooter’s ear.
• The speakers describe 25–30 dB as a good, typical reduction. Figures above 40 dB are very rare and would generally require a very large suppressor. They caution that published numbers may not be directly comparable because testing methods and setups differ.
• In one example, the same .22 suppressor may show roughly 20–25 dB of reduction on a 16-inch rifle, but up to 40 dB on a 4-inch pistol. This illustrates how much the host firearm affects the result.
• The video discusses 140 dB as an OSHA hearing-safety threshold in the context of measurements, but does not present suppressors as a guarantee of safe hearing.

Reduced-Back-Pressure Suppressors

B&T’s RBS system is designed to let gas escape through a bypass sooner, lowering pressure in the suppressor more quickly.

Potential Benefits

• Less gas and “port pop” at the firearm’s ejection port, particularly on AR-style rifles.
• Less gas in the shooter’s face and less effect on the firearm’s operating rate. Some setups may need fewer adjustments to run properly.
• The speakers say modern RBS designs can bring some measurements below 140 dB, though short barrels and suppressors can bring levels back toward or above that threshold.

Trade-Off

RBS models are generally louder at the muzzle than fully sealed designs. A conventional sealed suppressor may be preferable when maximum suppression is the priority, particularly on a manually operated, bolt-action rifle, where reduced back pressure offers less benefit.

Other Factors Discussed

• Size and barrel length: Larger suppressors are generally quieter and often reduce flash more, but add bulk and weight. Very short barrels tend to be loud and produce more flash because more powder remains unburned.
• Flash: The speakers say professional and military users increasingly prioritize flash reduction as well as sound. Design choices can improve one measure while affecting another.
• Weight and materials: James favors lightweight titanium suppressors. Sebastian describes hybrid designs using Inconel for durability and steel to reduce flash and sparks.
• Durability and fouling: A design should withstand wear and avoid carbon buildup or clogging. Early B&T RBS bypasses were deliberately generous to reduce the risk of fouling-related blockage.
• 3D printing and additive manufacturing: These methods enable more complex shapes and make materials such as Inconel more practical to use throughout a suppressor. Sebastian says they offer greater design and performance possibilities than traditional machining, though conventional manufacturing can still be cheaper in some cases.
• Modularity and mounting: B&T offers different sizes and modular configurations, including short and long pistol-caliber options. The widely used HUB standard lets users choose compatible mounts or attach directly by thread.
• Fit the design to the host: RBS is useful where back pressure is a concern, but the speakers say it is unnecessary on a longitudinally sliding-bolt rifle. A sealed design may offer more sound reduction there.

B&T Product Characteristics Mentioned

The discussion highlights B&T’s RBS suppressors and design approach rather than reviewing one specific model. Features praised by James include reduced back pressure, modularity, HUB mounting, titanium weight savings, a reinforced internal baffle, and steel inserts intended to reduce sparking and visible flash. B&T offers multiple sizes to balance compactness against sound suppression.

Pros and Cons

Pros

• RBS can reduce gas and port pop.
• Lightweight materials and varied sizes let users tailor a setup.
• Modular mounting and configurations improve adaptability.
• Additive manufacturing permits more complex designs and material choices.

Cons and trade-offs

• RBS designs can be louder at the muzzle than sealed suppressors.
• Larger, quieter designs add size.
• Short-barrel firearms remain especially loud and bright.
• Sound ratings are difficult to compare and may not predict results on a particular firearm.

Verdict

Choose for the firearm and use case, not the lowest advertised decibel number. Compare credible specifications and prioritize the features that matter to you, such as reduced back pressure, weight, flash control, durability, and mounting compatibility. The speakers say reputable manufacturers’ suppressors tend to perform in a similar range for sound reduction when compared under like-for-like conditions.

Different Speakers’ Perspectives

• James Reeves: Shares a long-time owner’s perspective. He particularly values low weight, reduced back pressure, modularity, durability, and the ability to use a rifle without changing its settings. He likes B&T’s feature set but stresses that the advice applies across manufacturers.
• Sebastian (B&T engineer): Explains the limitations of sound measurements and the design trade-offs. He emphasizes that B&T considers sound, flash, durability, weight, and carbon buildup, and discusses how RBS and additive manufacturing influence its designs.