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  1.

    Tutorial: Barrel Dimpling for low profile Gas Blocks

    When your local LE has to use a junk upper on duty, because it's that or nothing at all, you fix it and hope it gets put to good use one day. Great example of what can go wrong with something as simple as a gas block install. Nitride barrel, cheapo low profile gas block with cup tipped...
  2.

    Tutorial: Assembling an AR Upper

    OK guys, this is a repost of a thread I did elsewhere a while back. I thought that it might be a good addition the knowledge base here on the site. Following you will see a detailed, step by step tutorial on the proper assembly of an AR15 upper with low profile gas block and rail system. If you...
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