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Old 01-13-2018, 08:27 AM   #4 (permalink)
mag shooter
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Join Date: Jun 2007
Location: Charleston, SC

you have the story a bit backwards. He found the bolt in a mag he picked up in the UK. The mag was modded by John Sosta who also did the promag mods. I havn't come across one of these yet but i think there is much more adjustment in the level 10 than in the modded bolt. I also think while it may act as a level 10 it may still be much harder than the standard level 10.
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