As Gregory pointed out, the 308 is a ballistically superior round, this is not
like comparing a 308 & a 7-08 or 270 vs 280. This is not even close.
That being said, in your limited application that you asked about, Deer &
maybe Hogs to 150 yards, the 35 will work. When I look at 2 different rounds like this , I think in terms of what each round will give me or the
pros & cons of both. This is directly tied to the gun I will use it in as well.
The 35Rem. has a place for some & it makes sense for example if you want to use a Marlin lever, it is made for that gun & other light weight
guns. One guy I knew had a Marlin with the half mag. tube & he cut his
barrel down & it was very neat.
But with you asking about 35 vs 308 & both in the same gun, a Rem pump,
I just don't see the reason to buy a 35. Both guns will weigh close to the
same amt., they will handle the same, etc.
Here are some pluses of the 308.
(1) Much more ammo types available & in many weights, premium & standard.
(2) Ammo on sale many times in discount stores after season
(3) Cheap military ammo on sale at gun shows & mail order
(4) Much more in the way of reloader components & loading data
(5) Due to more refined bullets, much more accurate.
(6) You listed 150 yard, but if you ever wanted to extend your range,
even if only by 100-150 yards, forget about the 35.
(7) If you ever wanted to hunt Elk & Moose, the 308 is fine with the correct bullets & out to Medium ranges. The 35 could do this, but only
up close & why be marginal & not be able to shoot them at 250 or so
like you could with a 308?
(
If you ever wanted to target shoot, the pump will never win a match,
but you could go with the 308 if yours shoots & shoots groups at 300
or 400 yards for fun, forget about the 35.
It just is too one sided if you are locked in to the Rem. Pump, go get that
308!!!
Good Shooting