? About different Arsenal AK models models

[drf]

What is the difference between a SGL 21-61 and a SGL 21-66? there is also a 21-71, 21-72, and a 21-76

 

[Pat M]

-66 appears to have aluminum handguards with built-in rails. The other models appear to offer either Warsaw or NATO length stocks in different colors.

http://www.k-var.com/shop/home.php?cat=353

 

[Rob G]

The difference is the stock set that is on the rifle, Here's the whole lineup:

21-61: Black, polymer, Warsaw length
21-62: Plum, polymer, Warsaw length
21-63: O.D. Green, polymer, Warsaw length
21-64: Desert Sand, polymer, Warsaw length
21-66: Black, aluminum, Warsaw length, quad rails
21-67: Black, polymer, Warsaw length, comes with a 40 round mag
21-71: Black, polymer, NATO length
21-72: Plum, polymer, NATO length
21-73: O.D. Green, polymer, NATO length
21-76: Black, aluminum, NATO length, quad rails
21-84: Black, buttstock is a metal triangular side folding stock
21-94: Black, polymer, Warsaw length side folding stock