This video explains the function of Nielsen devices (linear inertial decouplers or boosters) in pistol suppressors, detailing how they allow semi-automatic handguns with tilting barrel actions to cycle reliably. It demonstrates how to disable the device for use on fixed-barrel firearms or manually operated actions, preventing potential damage to the firearm or suppressor. The speaker, from The VSO Gun Channel, provides practical insights into suppressor compatibility and maintenance.
This guide details the installation and function of a Nielsen device, also known as a recoil booster, essential for reliable semi-automatic pistol operation with a suppressor. Expert Ian McCollum explains its necessity for recoil-operated systems, contrasting them with fixed-barrel designs. The device uses a spring-loaded piston to decouple suppressor mass, allowing proper barrel tilt and cycling, as demonstrated with examples like the Lionheart Vulcan 9 and Glock pistols.
This video provides an overview of the FN Rush 9ti suppressor, introduced at SHOT Show 2023. John from FN details its titanium hybrid construction, designed to balance weight, durability, and cost. The suppressor is optimized for the FN 509 Tactical but is compatible with most 9mm pistols, featuring a recoil booster for proper function. The discussion covers material choices, durability testing, user experience focus, and pricing.
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