If you don't get the cross fire reg the it just does not work with the cross fire reg it $140. So with that come up 10 more bucks and get the ninja 68/4500.
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1 of 1 people found the following review helpful:
Get the crossfire reg
March 29, 2013
Reviewer:
Justus
from Tomball, TX
Me and my friend bought one of these tanks at the same time, I decided to go for the crossfire reg and he just got the standard reg. For a week I had to put up with him telling me I over paid just to get a name brand reg (jokingly of course). First time at the field I fill mine to 4500 psi and its good, he fills his and the fill nipple immediately starts leaking, he ended up having to use a backup 48/3000 while I happily enjoyed my new tank.
TL;DR get the crossfire reg, definitely a must
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Very satisfied buyer
February 18, 2013
Reviewer:
DTKsup
from Woodruff, SC United States
Like everyone else is saying its a good tank just get the crossfire reg. But as for what jdoggy said for over priced name brand tanks all of ninjas stuff is made in USA so that's usually a plus and empire has a 68/4500 for about the same price as this tank but the crossfire reg is better on this tank is better. If you get this tank you will be happy and won't regret it. I gave it 4 stars because 5 means that it is the end all be all of tanks but I'm sure someone will find a reason not to like it.
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Great for the money
February 15, 2013
Reviewer:
robert gonzales
from san diego, CA United States
Like everyone one else said, spring the the crossfire reg.
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0 of 0 people found the following review helpful:
good tank
February 14, 2013
Reviewer:
Anonymous Person
from port charlotte, FL United States
just got this tank with the crossfire reg and it is awesome ! much better value then getting a heavy steel hpa tank or paying much more for a over priced hap
Why 
Get the crossfire reg 
Very satisfied buyer