NFA Trust Lawyer Martin Seidler can prepare a gun trust for you by internet without the need to visit his San Antonio,Texas office. Just call our toll free number (800) 967-7317 or send us a request by email firstname.lastname@example.org and we will send you an NFA gun trust worksheet and a set of instructions. Once the worksheet is returned completed your Class 3 gun trust can be prepared. The price for Mr. Seidler’s services includes, preparation of a Texas NFA trust and bill of sale. Since the trust is effective immediately (upon funding), no further legal work or attorney involvement is required. Additions to the trust are by Form 4 or Bill of Sale. The trust does not need to be modified upon every acquisition or distribution.