true on 7.62, it seems that the situation got complicated weapons wise, I can see why they would do this. A DMR is more accurate weapons than full auto and probably able to hit targets better.
Experience from the recent wars showed that calibre for calibre - accurate aimed fire had greater suppression characteristics than 'hosing down the tree line' with a SAW
Also carrying around 2 SAWs per Squad is a serious weight penalty
Regarding the LSW (L86A2) apparently the L85A2 is as near as dammit as accurate - so the current proposal for a British 'light' Infantry Section is 1 Fire team with 3 L85A2s and one 7.62 Marksman rifle and the 2nd fire team with 4 L85A2's - each fire team with a L320 USGL
This is in an effort to reduce the increasing weight burden (everything from body armour to batteries) that light infantry where increasingly finding that made them "too light to fight and too heavy to move" and also in the face of the 'Heroic restraint' type combat that modern soldiers increasingly find themselves undertaking where because they are supposed to be on the same side as the local population using overwhelming firepower was no longer viable.
The USMC has introduced the M27 IAR (a glorified HK 416) to largely replace the SAW for the same reasons
It will be interesting to see if SAWs will make a come back at Fire team level "if and when" the LSAT LMG (which is about 5kgs!) and Carbine (which are about the same weight as an M4 apparently) are introduced.