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.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
