I've never shot a deer that wasn't in "thick schit" My two biggest bucks were less than 10 yards away.

I've shot deer in the thick stuff with
.257R (2)
7x57 (1)
30-06 (tons)
.308 (tons)
.270 (1)
.280 (4-5)
.358W (1)
100gr Muzzy (tons)

Camp is where you make it.