If anything is certain when it comes to the ATF, it's that the agency struggles with consistency. Over the years, they've gone back and forth on a number of issues, with the most infamous rulings relating to whether or not you can shoulder a SIG/SB Tactical brace. Last week, they decided to change s... ATF Reverses Position on Silencer Wipes | Modern Rifleman Rubber washers (available in most hardware stores) are now regulated by the US BATFE! WTF????