Quote Originally Posted by hotbrass
I wonder why they changed the A1 flash suppressor with ports cut all around to a A2 flash suppressor with the gas ports only on the top and sides? If I recall it was to not only reduce the flash signature but also to compensate for muzzle rise.
Actualy the a2 has no ports on the bottom is so that it doesnt kick up dust when firing prone.... Yes some gasses do escape through the ports, but not enough to make a significant difference in muzzle rise, thats what brakes are for.... ::)