What they said, more or less. I shot 40 rounds at a 10" steel plate at 200 yards. The first 20 was with the original iron sights and a super-heavy trigger on the M-14...got about 12/20 hits. About a month later, with a unitized gas (thanks Doc!), National Match iron sights (crisper front blade, tighter and crisper rear apperture), and a very smooth light trigger...20/20 shots/hits.
Actual raw group sizes for 100 or 200, sorry I don't have that, money got tight after that, even for cheap MFS!