SAN 553R (Russian) 7.62x39

Hallo
I\'ve uploaded a picture of the Swiss Arms SG 553R in 7.62x39 as presented at IWA 2013 for the first time.
It\'s a derivative of the standard SIG 553.
There is nearly nothing online about this rifle. I assume production numbers are under 200.
Rumor has it some were sold to Russian and Egyptian Special Forces, but no larger contracts followed.
I\'d be very interested to know if other members have any intel specificly on the 553R or if they have seen it in other parts of the world.
Easily identifiable...SIG553 Rifle with AK47 magazine.
Info to my e-mail would be much appreciated.