Forums › Forums › General Discussion › Supressor/silencer › Re: Re: Supressor/silencer Jason_McHann Administrator February 11, 2016 at 3:20 pm 15 Bullseyes SilencerCo supports both 1/2-28 and 9/16-24. The 9/16 would be the ticket on a 30 cal barrel. I've done 1/2-28 with no ill effects, but that doesn't leave a lot of meat there.
