That buffer will be fine, man. I searched all the usual places that I get the EA1095s from, and everyone is out of stock. I have a spare EA1095, if things really get bad... The Sprinco Red spring is a good alternate, and was designed for this application. You could pick up a Red spring, run it until the EA1095s come back in stock, and swap it out. If you don't like the Red spring, I'll but it from you for whatever you had to pay for it, plus shipping to me, regardless of round-count that you'd rack up on it. I can always find a use for it around here somewhere.
Here it is:
https://www.primaryarms.com/sprinco-m4-ar15-carbine-red-extra-power-carbine-buffer-spring