Correct Barrel Profile for Non-FSP Block II Clone?

[Sports-Ball]

Which barrel profile is 100% correct for a block II non-fsp clone?

What I've read so far is that a Govt. profile barrel is correct, and that SOCOM profile is grey area. CD mentioned in the ARFCOM block II thread that he's only ever seen 1 non-fsp with a SOCOM profile, and that was back in 2018 - so I'm not sure if that changed after that time.
I know that SOCOM profile is clone correct for FSP, just need clarity on Non-FSP.

[C-grunt]

I bet there are good amount of Block II in the wild with SOCOM barrels. They started using SOCOM barrels quite a while ago in actual SOCOM. Hell I think conventional units have been using it for several years now. I know the URGI was adopted a while back, but it wasnt an instant switch over and I recently read that there are still Block IIs in use.

[Wake27]

Pretty sure everyone has had SOCOM barrels in every variant of M4 for at least a few years now. I know for a fact that USASOC does.


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[1168]

Both are clone correct, period dependent. The “SOCOM” barrel is currently quite common, including all POG or Conventional guns with FSBs and M4 RAS.

My own Block II clone uses a Govt profile 6921 barrel.

[Stickman]

GOV or SOCOM, whatever makes you happier.

[Hammer_Man]

Just make sure you use Colt grip screws to be 100% clone correct.