From GeorgiaPacking.org

The inventor of the Akins Accelerator, the replacement stock for a Ruger 10/22 that allows controlled bump firing, is suing the United States over the BATFE’s ruling that the Accelerator wasn’t a machine gun, but now is. Here’s the complaint.

If you have not been following the saga: the ATF initially approved the sale for the stock, then sometime later declared that it converted a rifle into a machine gun.

Hat Tip: SaysUncle.com