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Posted: 10/24/2007 3:23:03 PM EDT
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Remove the flash Hider, then remove the front sight by tapping out the 2 tapered dowel pins using a 1/8” diameter drift pin punch. Be sure to drive the pin out from the SMALL END. Remove the sight assembly and gas tube from the barrel. If you are only changing out the handgaurd end you will not need to remove the gas tube from the front sight. Be careful with the flash hider some are put on way over the recommended torque value, make sure the barrel is firmly supported before you try to remove it. I've also seen some that were Loctite'ed into place. If you cannot remove it with moderate force, I would seek assistance. The sight should come off with a few taps from a hammer. Try a block of wood between the hammer the the sight so as not to mess up the sight. |
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| The pins can be extremely difficult to get out. You need a high quality punch, sturdy surface (like a pine block), and sometimes heat and penetrating oil to get the pins out. I trashed several punches before finding one that was solid enough not to deform. It transferred more of the hammer's energy to the pin and popped it right out. |
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Watch this video it is Jim Scoutten of Shooting USA removing the front sight and hand guards in a video hosted on the Larue Tactical website. Its about 7 minutes long 216.23.214.70/pics/handguard_video_0001.wmv |
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