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Old 07-12-2013, 10:52 PM
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ar15barrels ar15barrels is offline
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If you fully strip the upper and lower of all hardware before blasting and degrease it of all the oil, it is very easy to remove all the blasting media with pressurized air after blasting.

Do NOT blast the inside of the upper receiver.
The anodizing and the dry lube are there for a reason.
I suggest installing a sacrificial ejection port cover during blasting.

I would charge about $40 to sand or glass bead blast an upper and a lower if you brought them over to me for the job.
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