I've searched you tube and can't find a video that shows start to finish any suggestions on where to look or take it would be appreciated
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I think you knock the pins out. Not an easy task sometimes. You might get the pins out then need a press to get the sight off. Some times they will come off no problem. A guy on weapon evolution had a really hard time with one. Why do you want to take it off?
Well if you have a grinder you can cut it very carefully to remove it or just cut the tower off. I would not do that though. You could more easily find someone that would trade uppers. You could carefully cut it off and replace it with a different gas block.Got a holo sight on my flat top and it's in the way
1. Empty gun
2. Remove upper from lower and BCG and CH from upper
3. Remove hand guards
4. Clamp barrelled upper in barrel vise in your vise
5. Remove flash hider and washer using the proper wrench
6. Remove barrelled upper and place on padded surface
7. Locate small end of tapered pins in FSB and place upper with the small ends facing up
8. Place piece of wood under the FSB
9. Using a ball peen hammer and proper punch - carefully knock out the taper pins. Liquid wrench can be used 20 minutes before to help
10. Once the pins are removed - use a plastic mallet and knock out the FSB. The gas tube will come out with it
11. Remove the gas tube from the FSB
12. Now your rifle is useless until you get a YHM folding front sight gas block and reassemble.