Tuesday, December 09, 2008

AR in 5.7x28 (not AR57

Posted by 22 boomer:

I built a test setup to try the factory ammo. Since I can't go buying anything right now I used one of my AR platforms for the test build.

This is the modified bolt



I used an old bolt left over from another project. I installed a steel bushing and cut the slots for the extractor and ejector. The ejector spring needed cutting since it was too strong for the little case and actually left an impression on the face of the rim. The AR is easy for me to work with but they aren't pretty like rifles with nice wood but they're all I have right now.

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