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AR Tips - Some Tricks of the Trade

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Old 03-27-2012, 01:12 PM   #11
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Originally Posted by AgentTikki
Quick tip when installing your forward pivot pin....

To keep detents and springs from flying into oblivion, hold it down with a razor blade.
Then slide the pivot pin into place and allow the detent to pop into the groove of the pivot pin.

Also as added insurance, get a big plastic bag or cardboardbox and do you install inside it...just in case.
You know they make tools for that? A butter knife. Lol.
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Old 04-07-2012, 10:27 PM   #12
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i used a snow blower shear pin worked great
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Old 10-04-2015, 04:12 PM   #13
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Default Barrel aligning tip

When you are installing the barrel, the pin on it that goes into the slot in the upper receiver will have a little play in it. If you don't have a way to hold it centered, when you tighten the barrel nut, it will go to the shooters left a tiny bit, just enough to put the shooters sights about 2 1/2 to 3 inches off at 35 yards when he is trying to zero. To keep this from happening, the bigger companies have a high dollar alignment tool to hold the barrel centered while the nut is torqued down. My solution is to put a toothpick on each side of the pin, then snip it off before i tighten the barrel nut. It isn't perfect, but it keeps the front sight post reasonably in alignment. Nowadays with more and more AR's using a freefloat hand guard with the rail on top, that isn't so much of an issue anymore, but I thought I would share the tip with anyone using old style front sight post.
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