Quote:

---

Quote:

---

Pretty sure I saw someone do a browning BAR into a 458 Win. Base was either a 338 or 300 Win.

Makes way more sense to me.

---

Now you mention it, I do recall reading about one.

---

It was Jack Lott!
It took me a while to find, but the reference is in Big Bore Rifles - page 91!
It still didn't tame the recoil (much) but didn't have a muzzle brake either.