Peter Pig 15mm USMC. These have been sitting in my lead pile for ages, despite being a crucial part of my modern gaming needs. I summoned up the guts to get into them, and am very happy with the results. Want... more...
I'm not in a position to comment on the time period they're appropriate for; I'll be using them as USMC and US Army from 1990-2005ish.
The tufts are from Noch- I use them to mark support weapons that grant extra dice for 'Force on Force'. It is a bit of a struggle to ID the SAWs (let alone the M203s) at gaming distances, and these make it easy.
Keen eyes will note that the leader figures have M203s but no tufts- I'm using them just as assault rifles, they're too busy directing the battle to really add their extra firepower. That's my position, anyway.