It would be real nice to get a barrel that shoots 1 inch or better for AR-15's for $150.
It can be done with a little luck. Its a bummer to go through the install stuff, break in & load development to find out that it won't shoot. I suppose that could happen with a more expensive barrel though.
No matter what happens, There is always time and money to do things right the 2nd time.
Don't buy a 16 inch barrel with a carbine length gas system if you can help it. They work fine. But the mid gas system superior in all aspects that i can think of.