Hi,
I have been loading and testing subsonics in both 30.06 and .308Win.
I use the same 168gr Speer BTHP projectile, over 10gr N32C, Magnum primer, 3,5mm flashhole. (And 3gr cotton filler in 30.06).
"Well, that's great! But what's the problem?" You might ask.
- The s**t tumbles! The...