I dont remember signing for any, but its been awhile since I did get an order from them.
This is off their web page, if its any help....
Ammunition Shipping Agreement: In order to complete your purchase of small arms ammunition you must agree to the following: You are 18 years of age or older for the purchase of shotgun or rifle ammunition or 21 years of age or older for the purchase of handgun ammunition; There are no local, state or Federal laws prohibiting you from purchasing ammunition; You are not a fugitive from justice; You are not an unlawful user of or addicted to any controlled substance (as defined in section 102 of the Controlled Substance Act, 21 U.S.C. 802); You have not been adjudicated as a mental defective or have been committed to any mental institution; You are not an alien illegally or unlawfully in the United States; You have not been discharged from the Armed Forces under dishonorable conditions; You, having been a citizen of the United States, have not renounced citizenship; You have not been convicted of a misdemeanor crime of domestic violence; You are not subject to a court order that restrains you from harassing, stalking, or threatening an intimate partner, child or person, or engaging in other conduct that would place an intimate partner in reasonable fear of bodily injury to the partner, child or person; You realize that ammunition can be dangerous and accept full responsibility and all liability for its safe use and storage; You have selected the proper ammunition and understand that ammunition is non-returnable.