fx impact x cal .25 is it normal to hear a whistle in the regulator every time I fire the rifle ??? Thank you for your answers ??
fx impact x cal .25 is it normal to hear a whistle in the regulator every time I fire the rifle ??? Thank you for your answers ??
fx impact x cal .25 is it normal to hear a whistle in the regulator every time I fire the rifle ??? Thank you for your answers ??
check the speed and consistency with a chrony, if they are OK, leave it like that, its only the plenum refilling with regulated air!!!