Buffer spring too stiff?

[Cupid Stunt]

Hello all,

      I am just starting out in the AR 308 world. I bought an already built up, used Aero Precision M5 a few weeks ago and of course that led me to think I should do one myself. Goodbye Kansas. 

      Anyhow, this weekend's conundrum has been replacing the the commercial size buffer tube on my DPMS 308 Oracle with a Mil-Spec tube. No tubes to be had in town, save for an Aero Precision M5 Tube/Spring/Buffer set for 80 bucks. I bought it, installed it. Viola!

                          The problem 

      Now, the bolt comes forward with more ferocity than I imagine is good. Considerably more than my Aero. Any thoughts?

[unforgiven]

Does the rifle work without issue ??

[survivalshop]

  Going to assume you have a Carbine Stock set up , because of the Change out to Mil Spec ,

how long is the Buffer & its weight ,

how long is the Buffer Spring & how many coils ?

What is the depth of the Receiver Extension ( buffer tube ) ?

[Cupid Stunt]

Thanks for response folks 

@unforgiven - Haven't gotten it to the range with this setup. 

@survivalshop - I'll check all that when I get home.

[shepp]

Welcome to the forum feel free to post in the Intro section

[jtallen83]

I put an Aero buffer system on my Matrix build, she does send it home with authority but no issues, it has eased up some as the spring broke in.