![]() The reason for the data acquisition triggering time discrepancy between the shots is the differing sound signature characterized by the aforementioned higher early-time gas pulses. This is clearly illustrated in Fig 4a the impulse histories for some shots are shifted in time by up to 0.5 milliseconds. As is the case with many semiautomatic suppressed weapon systems, some shots possess higher early-time gas pulses which result in varying PEW-SOFT triggering time between shots. Figure 4a also shows FRP in the impulse regime, albeit not significantly. The measured pressure regime first-round-pop (FRP) is evident when comparing Shot 1 (Fig 1) to Shot 2 (Fig 3b). The SWR Trident-9 is no longer produced and no current production centerfire 9mm pistol silencer shares its internal coaxial Omega baffle technology. The silencer is not user-serviceable and weighs 11 ounces when configured with the LCD for pistol use. The silencer outer tube and primary baffles are constructed of 7075-T-T6 aluminum, respectively, while the blast baffle is constructed of 303 stainless steel. Other mounts were also available, including fixed mounts, an external 3-lug mount module, and an UZI barrel nut mount. The silencer mounts to the host pistol with an external inertial decoupling piston assembly (LCD Linear de Coupler Device) pistons were available in two standard thread pitches. ![]() ![]() It has a 1.37-inch diameter and when configured for pistol use, is 8.3 inches in length. It is a 9mm centerfire multi-use silencer, intended to suppress many cartridges with projectiles appropriately sized to travel through the bore, up to and including subsonic 300BLK both on handguns and on submachine guns. The Trident-9 was manufactured by SWR from 2005 until 2011. SWR Trident-9 on the HK P30L Full-Size Semiautomatic Pistol
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