Just want some feedback on this hand. MP has shown himself to be fairly loose, but I don't have my stats, I am at work.

Poker Stars $0.10/$0.25 No Limit Hold'em - 6 players - View hand 828290
The Official DeucesCracked.com Hand History Converter

MP: $14.34
CO: $15.01
BTN: $19.00
Hero (SB): $26.37
BB: $7.13
UTG: $15.33

Pre Flop: ($0.35) Hero is SB with K A
1 fold, MP calls $0.25, 2 folds, Hero raises to $1, BB calls $0.75, MP calls $0.75

Flop: ($3.00) 2 2 7 (3 players)
Hero checks, BB checks, MP checks

Turn: ($3.00) 2 (3 players)
Hero checks, BB checks, MP bets $0.25, Hero calls $0.25, BB folds

River: ($3.50) A (2 players)
Hero bets $2, MP raises to $6, Hero calls $4

wp imo

Doesn't look to be much wrong with it. Maybe jam the river.

Why would you do that?

post flop looks good imo, i don't think we can fold here.
preflop though I would def raise it more, 1.25-1.5.
If I'm not mistaken if we were IP w/ a limper in front of us, the standard would be to make it 4x+1bb for each limper, or 1.25. So it should be at least that, if not a little more since we are oop.

Only thing I might do differently is check the river and hope for a bet. I suspect that if you bet and villain calls, you're chopping 95%+ of the time, and I think even if a check induces a bet from something else even just 10% of the time it's slightly more EV.

Well, some people use 3+1 and some people use 4+1. I am thinking of switching to 4, but have been playing with three. Does 3 or 4 x BB pre really make much of a difference if you are consistent?

I don't think it makes much of a difference per say, but if u look at it along the lines of: in uNL the objective is to value-own our opponents who will be calling w/ weak and/or dominated hands a lot. So we get more value already from the start point, and as u probably know, its a snowball effect, the pot will get bigger and bigger street by street.
Also, a 3x raise is more likely to be called w/ basically ATC, and once one person calls, it only increases the likelihood that others also come along (as seen in OP). We don't want to be in 3 and 4way pots (this x1000 when oop) trying to wade thru a bunch of loose passive stations that could have ATC and could out draw us on flops.
I'm not sure if I'm even correct, or if I explained it how I wanted to, but hopefully it makes some sense.
FWIW, I open 4x everywhere besides the button, where I do 3x. I guess think of 4x'ing it as your "value" opens, u want 1-2 ppl putting in 4bb's (as opposed to 3) w/ a range that we're likely ahead of and can potentially dominate.
When we raise on the button, its usually with mediocre holdings hoping to take the blinds down, or win otf w/ a cbet (which will be less considering we only raised 3x, not 4). Hence, its like a "cheap bluff" open. (I guess it could also work for when u have big hands as well, like AA/KK. With only 2 potential callers remaining, u want to give them any extra reason to call.) I find that 4x open/3x otb works pretty well.
More specifically to this hand OP, raising this small makes it so much easier for the other 2 villains to call, and now we are OOP to 2 players which sucks. Not saying that they called only b/c of our small raise, but I'm sure it would be a little more intimidating when faced w/ a 5-6x raise rather than 3x.

Wow sorry for the tl;dr, got started and then just kept typing lol. Hopefully it makes sense.

no reason to jam...if he calls youre either chopping or losing the hand

I felt I needed to lead out on the river to keep him from bluffing AI, and the I felt I needed to call the raise at that size, the question is what to do if he shoves the river.

A lot people open with x4 bb so standard raise of limpers is x4 + 1 per limper, even if your standard open raise is x3 bb. other than that the hand played as it should.

Wp. I would have cbet that board on the flop though. Not only since you raised pre, but also because you are first to lead out.

OK, so general impression is that I played basically right. I could have c bet the flop, but I did not feel like c-betting into 2 villians one of whom had shown an inability to fold without at least somewhat of a made hand.

As to the results, he is the kind of player you want to find. He called my preflop raise with 92. Oh well.