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Posted: 12/23/2013 8:48:01 AM EDT
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I am doing a build, and am using a Rock River Car A4 upper that has the A2 front sight. I am going to be replacing that with a low profile gas block (probably a Troy) and a 13" Troy Alpha rail.
Here's is my question:.... After removing the A2 front sight it will leave the 2 holes int he bottom of the barrel that the taper pins were in... Will this cause a week spot in the barrel that could lead to distortion in the barrel? Would shaving down the A2 into a Low profile gas block be the a better option? I am a Boilermaker by trade and have all the metal fabrication tools and skills. I have read that painting with Hi-temp Header or Grill paint works, but does it hold up long term? Thanks |
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I think the Troy rail uses the standard barrel nut to mount, right? So, shaving A2 down is probably a good option. If you had to go through the trouble of taking the gas block off to put on a different barrel nut, then I would say, replace gas block. Heck, I sold an A2 gas block for $50 earlier in the year. Those things are gold during crazy times. Hate to see one cut up.
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