“Could you give us a clue what an Akins Accelerator is?”
I thought it was a weight loss product.
http://airbornecombatengineer.typepad.com/airborne_combat_engineer/2007/02/atkins_accelera.html
The device really is the stock and spring, the barrel slides back and forth in the stock an serves as a disconnect link, like in a full auto in a full auto.