What gun uses v4 air nozzle?

Discussion in 'Gun Building, Modifications & Repairs' started by Darkrainz, Dec 22, 2015.

  1. Darkrainz

    Darkrainz Member

    philly and allentown
    As the title says

    i m building a a&k sr25 the guild says to use a v4 air nozzle

    so what air nozzle is v4?