The Tango Down BG-AK Battlegrip is in stock again. This can be installed on gas blowback AK rifles that have real steel dimensions... "It’s back, and back to stay. A few years back, TangoDown® Inc was contracted to design and manufacture the next evolution AK grip for a twice-defunct start-up company in Arizona. It became one of the most popular aftermarket improvements to the AK rifle, ever.