IIRC, that has a FRT (Forced Reset Trigger) the bolt forces the trigger off reset as being the bolt closes. In the event you manage constant stress rearward on the trigger you'll pull it yet again and fireplace Yet another spherical without having to have unveiled pressure to the trigger. https://force-reset-trigger34310.59bloggers.com/34552177/an-unbiased-view-of-forced-reset-trigger