You are bidding on a SilencerCo 300 cal suppressor. Model is Harvester. This is NIB with the tool. This does not come with the adapter. Will have to purchase an adapter for the weapon you are wanting. According to the ATF paper work SilencerCo is the maker for this Silencer. It is our goal that you are 100 percent satisfied with our products and transaction. The buyer will have a 3 day money back inspection period after these items are received to your FFL. This will transfer direct to your Class III dealer tax free from our inventory on a form 3 efile. SN HRV-10197