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Posted: 7/1/2008 1:51:59 PM EDT
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how would i go about putting on a standard front sight post, my m4 came from the factory with a gas block. so what would be the process of putting one on, pictures or instructions would be great. or if somebody else has done this before please give me the link |
| When you say it came with a gas block, do you mean a low-profile gas block or one with picatinny rails on top? If it has rails you can mount a detachable front sight. If it doesn't, your alternatives are a hanguard rail mounted front sight (provided you have a railed handguard), or to get a set-screw type gas block with a folding front sight provision or rails, assuming the current gas block isn't pinned to the barrel. You can't put on the standard front sight block because those are drilled and pinned to the barrel, and that is done during barrel mfg. Your other alternative is to buy a regular m4 profile barrel assembly, which will come with the FSB, gas tube, and the barrel nut. |
Yankee Hill: PRI from Adco:  You can also convert a standard FSB to a setscrew style and machine a couple flats on the barrel at the set screw interface. If you want it installed with taper pins, you will want to send it to a professional that has a jig to align the front sight and then use the proper reamer for the taper hole. |
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I'd go with the new arms sight: www.armsmounts.com/catalog.php?action=124&item_id=104 YHM would work though. It's funny, YHM stuff always looks like cheap junk on the internet. But all their stuff I've seen in person is totally gtg. |
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