Thanks!
If it was a pistol (which it essentially is) a 2-stage spring setup might work. A "long" weak spring for the first stage and then a "short" stiff section to kill the impact. Separate the two with a derlin spacer.
What about the other end of the bolt? When it slams forward to chamber the "round". There's a pretty good clunk when it returns to battery...a lot more than with the M4. On an extreme end of things...if a really strong recoil spring was put in to kill the rearward impact, it would probably introduce a lot of stress to the front end. The SCARS bolt/carrier is a real chunk of metal...
I'll take another look at Griffin's this Friday maybe... (f*ck...I should just buy my own and start hacking into it!)
Tys
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