Yes things are slow but tests are taking place. I can tell you few Guns was recently handed over to Marines for testing can't tell which ones but issue is some Rifles which were initially bad went back made changes and return for trials so things are happening but not at the pace we all want to see
Can't post saboot here but SCAR is pretty much done deal in 7.62 X 51 category and 7.62 X 39 could be any one but all recent reports suggest that AK-100 series chances are increasing as compared to BREN. Soldiers didn't liked BREN much and I tag
@Horus just because he has best sources but I have also other sources.