Please help me choose which to buy : /

I trust you all and this is an amazing resource and community for those getting more into airguns, it's great for me as I transition from powder to air. I've done A LOT of research and come to the following after much vacillating and mental agony. I would highly value any options I'm missing, any input you may have, and any insights or wisdom you're willing to share. 



Please help me choose as I'm going to go with one of the follow options based on my needs while traveling, all will be in .22 or .25 if that's available. I need dead accurate up to 50 feet, the ability to run on co2 (high priority for bulk fill), high shot count, and as quite as possible:



1) Crosman 2400KT and 2240 with 25 co2 cartridges, total cost from Crosman - $154.39 if free shipping Friday and AGNATION code work together.



Pros:

Low Cost

Two Guns to tinker with, polish and enjoy

2400KT Built the way I'd like

Tons of mods and support for both



Cons:

No bulk fill option



2) Xisico Sentry 702 PCP - $200 shipped



Pros:

Mike is an awesome guy to deal with

I have the option to use as a PCP when not traveling

.25 Cal

Great price



Cons:

Limited support or after market parts

Mike says it will work fine on CO2 but that's still an unknown

Unknown quality, accuracy and so on as there isn't a ton of info on these



3) QB79 Bulk fill with Air Venturi Tank Adaptor and 2240 with Steel Breech Kit - $238.66 with free shipping and 10% of coupon code. ($20 added for CO2 tank on Amazon



Pros:

Two guns with some nice upgrades

Bulk fill option for one of them

Tons of mods and support for both

Ability to have spare tanks



Cons:

2240 still not bulk fill

$65 dollars more

QB79 is a larger format



4) Umarex Gauntlet .25 - $245 ($20 added for CO2 tank)



Pros:


I have the option to use as a PCP when not traveling


Plenty of support and information

Known to work out of the box on CO2

Ability to have spare tanks

.25 Cal



Cons:

Larger format



5) AirForce TalonP - $475



Pros:

.25 Cal

Bulk fill option

Ability to have spare tanks

Known quality gun

Known to work on CO2

Ability to use as PCP



Cons:

Cost, cost, cost

Could buy the Sentry, QB79, 2400KT, and a 2240 for less
 
Hmm id scratch the talon p off the list. Not a bad gun far from it but if you want to be able to use the power wheel you need a longer barrel and for just a tad more you can get an escape or condor and have more options. Me personally id get a Benjamin discovery and a bulk fill cap. Its super light, can get 30 fpe or close to that on 2000 psi fill so pumping is easy. And it still gets 15fpe on bulk co2. I kmow that wasnt on your list but I saw your interested in the 2240 as well or a 2400kt and disco shares many parts with that gun. I have not shot the 25 guantlet but after seeing hajimoto videos on it it seems a safe choice. Maybe you could Buy the 2240 and convert to pcp? That road gains you true knowledge of the pneumatic airgun. Hope that helps disco is worth the look. 
 
I'll chime in and give my $.02 about the Gauntlet. It's bulky... Remove the forearm bottle shroud and store it or throw it away. Biggest waste of plastic ever.

With that being said, the rest of the gun is golden. Out of the box mine shot great. The bolt is a little stiff and the trigger isn't match grade but with minimal effort you can fix both of those issues.

First thing (after throwing away the forearm) I'd do is to install a larger bottle. These things are cheap and you can find them all over ebay.

Secondly, Hajimoto has a vid showing you how to make the trigger into a "faux" two-stage for a few dollars. Very easy and well worth the effort.

Thirdly, Jefferson State sells a tuning kit that has a replacement hammer spring and it will make a world of difference. This kit also includes a lighter poppet if you want to break the gun down that far.

You can also adjust the reg for a few dollars but it can become time consuming going through the procedure and you'll have to buy parts to make a pressure tester. Save this for a rainy day project if you really want to fiddle with it.

I absolutely love my Gauntlet. (aside from the horrendous forearm) and know for certain that it's going to perform when I need it to.

Hopefully you'll gather all the info needed to help you decide. 
 
I have a .177 Gauntlet so I know the gun and what I'm getting, I'm wondering if I can even shorten the barrel down to 18" since I would just need to rethread the shroud to make that work with full functionality and it would make me much happier for storing and using while I travel. I'm currently leaning toward the Gauntlet or the Sentry since both will be the same price.



Thanks for the responses!
 
: / ...... that's the perfect little symbol for your statement here : " I've done A LOT of research and come to the following after much vacillating and mental agony. " : / ....i , too , have exhausted myself more than once doing just what you are doing. i wish i could help you choose, but i dont have experience with the chinese things. i didnt even realize that the .25 gauntlet would run on co2 (i was thinking a regulated air rifle wouldnt be a dual fuel).... i do have much expereince with the 22xx/disco platforms. i explain to others that this is the ford mustang of the airgun world - extensive aftermarket parts and extras for this breech. i have a few .25 barrels that fit into the 22xx/disco breech , but only 18" long. i listed them for $50-60 each. .25 and co2 are an excellent thing - as long as the metal doesnt chill. i also have an extra dual fuel tube that has disco internals ($100) . very easy to pump but it only gets around 14 high power shots per 1900 psi fill (varies with barrel length and caliber , but i find the best is 20ftlbs with an 18" .22 barrel)....get's lots of shots when bulk-filled - much like a carbine discovery would perform...... the tko silencers are cheap and effective for these barrels, tho. someone mentioned a benjamin discovery and this is the one airgun i have had longer than any other - ive sold it and bought it back from 3 different people since 2011 - tank and all. but i have an older original version with walnut stock and in my opinion , the old ones are better performers. that seems like a pretty good deal on the .25 gauntlet with extra co2 tank - could you pm me and show where to find that deal ? (unless it's used - gotta have a warranty with chinese.) .... i'll probably get red balled for blabbing too much (i sign my balls - btw) , but i just wanted to say this symbol ( : / ) is perfect ! you seem a pretty good writer. - rane on .
 
Thank you all for the great responses and @ranedouglas I appreciate all of your information as it was very helpful!



Ended up going with the 2400KT from the custom shop, it's just too good of a gun and deal to pass up for the price, likely one of the best values around. This also leaves room for me to buy something else down the road while scratching my itch to buy something now. Guess all that's left is to figure out a bulk fill option that works.