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Posted: 7/21/2007 10:45:20 AM EDT
| Anyone have an idea how much a gunsmith might charge to replace a gas block with a regular F marked front sight base? I was thinking of getting an upper, but it just has a gas block and I'd prefer a FSB. If it's a Bushmaster product, would they do the installation for free if I sent it back to them and bought the FSB from them? |
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