SSS.6.184 - Research Supplement: The Quietest 9mm Silencers - MP5 Silencer Detailed Loudness and Tone Comparisons (Members Only)

SSS.6.184 - Research Supplement: The Quietest 9mm Silencers - MP5 Silencer Detailed Loudness and Tone Comparisons (Members Only)

Eight silencer configurations evaluated by PEW Science are included in this members-only Research Supplement to examine relative First Round Pop (FRP) and overall sound signature suppression performance characteristics. The silencers in this group were selected due to their use on the HK MP5 submachine gun, and other pistol caliber carbine (PCC) platforms. The eight silencers behave differently, even despite some of them exhibiting similar performance quantified by the PEW Science Suppression Rating. Their 9mm MP5 suppression performance provides an excellent case study comparing current 9mm MP5 silencer technology.

Typically, silencers possessing a high flow rate also possess lower sound suppression performance with subsonic ammunition and potentially lower bystander suppression performance, in general. Also typically, silencers possessing a lower flow rate (higher back pressure) can reduce the level of operator protection by increasing ejection port blast. There are exceptions to these observations, and hybrid designs have the potential to exhibit high suppression performance in multiple combustion regimes while also reducing back pressure.

This research supplement is intended to provide more information to PEW Science members with regard to specific sound signature characteristics of the tested configurations in the aforementioned analytical test reports and to help frame objective loudness comparisons between eight 9mm suppressors that use various technologies to suppress 9mm weapon signatures. Both FRP and total sound signature suppression regimes are examined. This supplement is part of ongoing PEW Science small arm weapon system sound signature research. PEW Science thanks you for your support.

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SSS.6.91 - Resilient Suppressors RS9 and the Heckler and Koch SP5K-PDW 9x19mm PDW Subgun

SSS.6.91 - Resilient Suppressors RS9 and the Heckler and Koch SP5K-PDW 9x19mm PDW Subgun

The Resilient Suppressors RS9 is a compact and lightweight submachinegun silencer that exhibits extremely high suppression performance at the shooter’s ear, for its size. The silencer possesses a unique performance trait of increased overall performance with higher muzzle pressure; a characteristic allowing higher performance on shorter-barreled host weapons. This performance trait is atypical of many silencers.

In this review, the Resilient Suppressors RS9 performance metrics depend upon suppressing a subsonic centerfire pistol cartridge on a roller-delayed blowback submachinegun personal defense weapon (PDW). How would the Resilient Suppressors RS9 perform on your compact PDW 9mm pistol caliber carbine (PCC)?

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SSS.6.90 - Resilient Suppressors RS9 and the Heckler and Koch SP5 9x19mm Subgun

SSS.6.90 - Resilient Suppressors RS9 and the Heckler and Koch SP5 9x19mm Subgun

The Resilient Suppressors RS9 is a compact and lightweight submachinegun silencer that exhibits extremely high suppression performance at the shooter’s ear, for its size. The silencer possesses a unique performance trait of increased overall performance with higher muzzle pressure; a characteristic allowing higher performance on shorter-barreled host weapons. This performance trait is atypical of many silencers.

In this review, the Resilient Suppressors RS9 performance metrics depend upon suppressing a subsonic centerfire pistol cartridge on a roller-delayed blowback submachinegun. How would the Resilient Suppressors RS9 perform on your 9mm pistol caliber carbine (PCC)?

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