This video provides a comprehensive, step-by-step guide on how to install the Duality Arms RATL-R trigger upgrade for the Kriss Vector. The instructor, from the Muzzle Bro channel, details the disassembly of the trigger pack, removal of the factory sear, installation of the Rattler sear, and reassembly of the trigger pack and firearm. The guide emphasizes careful handling of small parts and includes crucial function checks to ensure proper installation.
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