Virtually the same as our M-63 SAW Gunner's bag. Substitutes (2) 1.5"x7" front pouches w/clipped down lids on large pouches instead of the front MOLLE on the M-63. Three velcro walls with two flat pouches against the inside front wall, two flat pouches against the inside ends, with elastitainers on the (5) M4 mag pouches, same over the top padded shoulder strap.