Yes, you should be able to use them. I have used King Arms PRI flip-up sights meant for AEGs, as well I have a G&G GR-25 gas block on my M16 at the moment.
My M16 barrel measures 0.725" outside diameter.
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Age verifier Northern Alberta
Democracy is two wolves and a sheep discussing what's for dinner.
Freedom is the wolves limping away while the sheep reloads.
Never confuse freedom with democracy.
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