[Critias]

A character can aim and then call a shot at the time of the attack. Calling the shot is a Free Action.

You can actually call a shot only at the time of the attack, meaning same IP. Also since its using up a free action, you can't use any other free action with it, i.e. adept centering.

Unless you use up a Simple Action, to replace one of the free ones.  So you can call a shot, center to help against the penalties, and only shoot a single shot or short burst (for instance).

[Angelone]

Multitasking would work as well since you are sniping and not in combat. If you're an adept anyway.

[Critias]

Multitasking would work as well since you are sniping and not in combat. If you're an adept anyway.

Well, there I think it comes down to what any given GM counts as "directly involved in combat."

[Crash_00]

You can actually call a shot only at the time of the attack, meaning same IP. Also since its using up a free action, you can't use any other free action with it, i.e. adept centering.

The quoted section you used is an allowance, not a restriction. If you check out the actual section for called shot (under free action), you'll see that you can call a shot then do one of a few actions, one of which is take aim. While the original order of actions was flawed, Call A Shot, Take Aim, Take Aim, Take Aim, Take Aim, Call A Shot, Fire Weapon is valid.

So you can call a shot, center to help against the penalties, and only shoot a single shot or short burst (for instance).

Call A Shot cannot be followed by a center action though. It can only be used by certain attack actions and take aim (note the lack of spellcasting actions also, so called shot spells aren't allowed RAW).

[Angelone]

True, I wouldn't allow it past the opening volley as at that point you are being actively looked for. Before that though when you are in your sniper's nest waiting for the target you in my mind are not in direct combat. You could probably argue it for a longer period of time because you aren't being actively engaged.

[Lethe]

The quoted section you used is an allowance, not a restriction. If you check out the actual section for called shot (under free action), you'll see that you can call a shot then do one of a few actions, one of which is take aim. While the original order of actions was flawed, Call A Shot, Take Aim, Take Aim, Take Aim, Take Aim, Call A Shot, Fire Weapon is valid.

Take Aim actions are cumulative, but the benefits are lost if the character takes any other kind of action—including a Free Action—at any time.

Since you are using a "Call A Shot" action between "Take Aim" and the actual shooting all your aiming will be lost.

This action must be immediately followed by a Take Aim, Fire Weapon, Throw Weapon, or Melee Unarmed Attack.

And you can't use two "Call A Shot" in a row, because then the first one wouldn't be directly followed by said actions.

[Crash_00]

Since you are using a "Call A Shot" action between "Take Aim" and the actual shooting all your aiming will be lost.

You didn't read my post very well, I actually stated: "While the original order of actions was flawed, Call A Shot, Take Aim, Take Aim, Take Aim, Take Aim, Call A Shot, Fire Weapon is valid."

There is a Call A Shot before any Take Aim and one after them just before the Fire Weapon action. Both are allowed by RAW do to the following rules:
Call A Shot 1:

This action must be immediately followed by a Take Aim, Fire Weapon, Throw Weapon, or Melee Unarmed Attack.

Four Take Aims
then Call A Shot 2:

A character can aim and then call a shot at the time of the attack. Calling the shot is a Free Action.

Each Call A Shot meets the required criteria. #1 is followed by a Take Aim action, #2 occurs after the aim and at the time of the attack (specifically allowed in the text) and is immediately followed by the Fire Weapon action. All requirements have been met.

[Lethe]

None of your actions will be actually at the same time. Even if your three actions(1free,2simple) are all in the same phase they still have an order. Call A Shot must be followed by an attack and therefore will be between the take aim and the attack and therefore by RAW disrupting the aim.

Edit: well, just noticed that at this point the SR rules are contradicting themselves..again. Interpreting contradicting rules is like house ruling and you can't argue about the validity of house rules. In this case i will rephrase to, i choose a different interpretation than you: only one call shot per attack allowed.

[All4BigGuns]

None of your actions will be actually at the same time. Even if your three actions(1free,2simple) are all in the same phase they still have an order. Call A Shot must be followed by an attack and therefore will be between the take aim and the attack and therefore by RAW disrupting the aim.

Edit: well, just noticed that at this point the SR rules are contradicting themselves..again. Interpreting contradicting rules is like house ruling and you can't argue about the validity of house rules. In this case i will rephrase to, i choose a different interpretation than you: only one call shot per attack allowed.

This is less contradiction and more providing an exception that even the most hardcore "realism" criers should be able to agree makes sense. As to doing it multiple times...no, sorry, I wouldn't let it fly, but if someone with 4 IP wanted to aim for an entire combat turn and make the shot with a called shot on the first pass of the second, I'd let them to that, but "aim-called shot, aim-called shot, aim-called shot, fire" nope, not gonna cut it.

[Crash_00]

I don't really see the issue at all. Call shot to increase damage would be targeting a headshot, call shot to increase damage and negate armor, neck shot for most armor. You still take the full penalty, you can't "double up" on called shots (+4DV is the maximum you can receive on an attack, and negating armor twice is pretty damn useless). I don't really see it as even being unrealistic. Usually when you target something, you aim and then slowly change your aim for the exact point you want to hit.

[JustADude]

Personally, if it were up to me I'd just go with a House Rule that you can only take one Called Shot action per shot, but you can assign all the "Called Shot" modifiers you want with that action.

[K_killn]

Now that the "Called Shot" Problem is solved, What do you think my starting stats should be and what should I use my BP for at the beginning

[Lethe]

Go there step by step. There were already lots of suggestions.
First you need some basic boundary.
I.e. you said first, definitely work with Longarms and use spells for camouflage.
Is augmentation or being a mystic adept an option? Adept are masters of specialization, while being mystic gives you the option of still using spells. Augmentation (muscle toner) will definitely be worth it. Or do you want to keep it simple, just a mage with longarms skill.

[K_killn]

I want to stay away from cyberware but bioware is ok and just a Mage honestly I was thinking he would be like ex-military and and just stumbled on his magical ability recently

[JustADude]

I want to stay away from cyberware but bioware is ok and just a Mage honestly I was thinking he would be like ex-military and and just stumbled on his magical ability recently

So, essentially, he was a wouldbe Sammie that started getting modded before he realized he was a Mage? Thats a great fluff explanation for him having a small smattering of ware.