Product Description
ESSTAC - 7.62 Single KYWI Midlength (Black) with Front Webbing and 2x WTF Straps
Their 762 pouches are made for normal double stack 762 mags, M1A/FAL/SR25 pattern.
There are 4 rows of webbing on the back of the pouch. You only use the Top 3 rows of webbing when mounting (not 4).
"pouch is 4.3" tall by 3.25" wide"