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Posted: 9/17/2007 5:47:07 PM EDT
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My FSB is canted, what are my options? I will not send it back to the mfg. as it has already been back twice and it's still f'd up. pull the barrel and open up the indexing notch a bit and index it that way? Or am I just screwed and I need a new barrel? Mike |
| Both my Colt 6921 and BM M4 carbines are off ever so slightly to the right to where the rear iron sight is off to the left about 1-1 1/2 notches on the scale. Both rifles shoot just fine and my Colt co-witnesses almost perfectly with my EOTech. I would say that if you don't have to adjust your rear sight excessively to compensate for the cant, leave it alone as it is only really a cosmetic issue. |
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I just found out the fsb on my bushmaster is canted. I've had the rifle for a couple years and didn't notice. Tonight I installed a DD omega rail. With the uninterupted rail all the way to the fsb it is noticeable. The rifle was accurate with the carry handle, everything seemed straight. The second part of my mods is an Aimpoint and LMT buis, the sight hasn't arrived yet so I don't know what the cant looks like through the Aimpoint. Should I send it to Bushmaster to be fixed, or forget about it and carry on? |
If it's not giving you problems, just deal with it. It's not worth the trouble to send it back, IMO. |
Thats what i say.One of my uppers has a canted FSB,just a little to the left.Thats why theres a windage knob  .It took about 8 clicks left and it shoots spot on.
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