No it will not work.
Sharps Rifle company Bolts are MPI tested and always have been as stated on our website, that being said, we have never stamped our bolts. Our product description and technical information is on our website.
The Sharps Rifle Company Relia-Bolt is compatible with 300 Blackout as it is drop-in compatible with all existing .223/5.56 variant parts groups and bolt carriers; no modifications or tools are necessary for installation.
As long as its .223 or 5.56 it will work.
You did not specify which Bolt carrier group you purchased.
If it was the A.R. 15 platform Bolt carrier group it has 1 extractor spring and 1 O-ring(buffer) installed
The 308 Bolt carrier group have 1 outer extractor spring, 1 inner extractor spring and one O- ring(Buffer)
It should be noted :The ArmaLite rifle (AR 10) is not compatible with the DPMS gen 1, LR 308,SR 25
Yes. This isn't any modification that will change the BCG..
No it will not work.
Yes it should work.
No, it will not.