Dunno about Brits (and I dont yet care) but Ostheer sniper needs a considerably higher ROF than his Soviet counterpart to be viable.
Why?
Ost sniper have superior camo, superior surviability(sov snipers can't take mortar shell to the face and shrug it off), superior vet ability, can have doctrinal sprint and will be shooting at most expensive basic infantry in game soon.
No matter how you would want to argument it, there is not a single good argument why ost sniper should have higher rof then brit sniper, so lower it to brit sniper rof. Both will be shooting at 4 men squads after all.