I bought my magpul moe stock at spikes tactical. It came with their st-t2 buffer and i guess a standard spring. My question is i happen to see these tubbs spring and super duty chrome silicon spring. Are they worth buying for my AR? Are they worth the extra money? I guess its suppose to last a long time and reduces recoil and what not. Any of you guys have any experience with these brand of spring or another type of spring?

Tubbs buffer spring