Poker Stars $0.10/$0.25 No Limit Hold'em - 6 players
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New to the table, I think my first or second time in the sb.

MP: $51.70
CO: $19.60
BTN: $48.35
Hero (SB): $25.00
BB: $20.75
UTG: $25.00

Pre Flop: ($0.35) Hero is SB with Q J
4 folds, Hero raises to $1, BB calls $0.75

I think this raise is standard.

Flop: ($2.00) A 3 3 (2 players)
Hero bets $1.75, BB calls $1.75

I cbet here to try and represent an A, expecting to take it down most of the time. When villain calls, I think his range is: 44-88, A2-AJ

Turn: ($5.50) 7 (2 players)
Hero bets $3.25

Is this a good spot to double barrel? I think that, by double barreling, I'm further representing an A, and I fold out most pocket pairs he has, as well as many of the weaker As, leaving only those few hands that are strong enough to call pf and one street, but not 3bet preflop or call a second barrel.
I think I'm folding out 44-88, A2, A3-A7, leaving just the upper-middle echelon of his range that call but not 3b preflop, and then can call both streets: primarily the upper-middle Ax hands.

What do you guys think?

people dont like to fold an ace. especially not at 25NL. they also dont like to fold 8+ out draws.

no that is not a good spot to dbl barrel.

Double barrel cards that have improved your hand - or look like they could have improved your hand.

What possible hands could you have here that a 7 is good for?

Your range for villain on the flop is 44-88 and Ax

there are lots more combnations of Ax than there are 44-88

88 is not folding the turn. 77 isn't folding the turn. you are making a bet that folds out 44-66 out of that range.

An Ace is never folding here, an Ace *might* fold the river if you lead the river strong as well, but it's just not that likely and has a hgh risk:reward ratio.

Just c/f the turn.

Its only good to double if you follow through with repping AK/AQ meaning 3 barrels. The double barrel here isnt in itself a bad move. The double barrel, give up on river is the worst move you can make however. Either give up the turn or 3barrel it.

If you were BB and held AT would you fold to the 2nd barrel often, if at all? But if he pumps $8.50 on river then there is actually something to think about. Also, I think your sizing will cause you to get looked up more frequently.

By "sizing", do you mean my turn bet was too small?

Basically, you lead for near pot on the flop and you kind of back off on basically the perfect board for AK here. I think $3.75-4.25 makes a world of difference from $3.25 here. Maybe thats just me.

Its quite a bad double barrel. IF he calls you are drawing dead too. So just c/f and wait for a better spot. Most of the time villain isn't going to fold here for you to be profitable.

Could you elaborate?

Can't seem to make sense of this...

The problem is even given the range you say it's probably gonna take 3 barrels to get him off it and any Ax is probably not folding along with some pp's.

So here you mean that, if I were repping a good A (ie AK), that I would double barrel much more than the 3.25 that I ended up betting?
Yeah, that makes sense.

Good. I understand this. Thanks.

Most Aces are calling you there which is pretty much in his range. Moreoever at this limit, most players would not let go of their pocket pairs.

If he calls your turn with an ace, you're drawing dead on the river so giving up the pot is much better unless you have some outs like Gutshot or Flush Draws.

Hope this helps.