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Posted: 2/11/2009 7:14:05 PM EDT
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i have a bushmaster M-4 with A1 upper i tried the iron sites no matter how much i adjust the rear site it shoots a little to the right
with scope at 200 yard 1 1/2 groups this is the 1st time i used the iron sites yes i know that the 1st thing you should do but me and 2 sons shoot long shots ive had it for 4 months and have put over 1000++ rounds thru it my ??? is can i fix this or will i have to send it in guys where i got the gun did a test and said there is something wrong with the front site but they do not do any gunsmithing so send it back to bushmaster or its easy fix you can fix it yourself but there my 1 year warranty that may get void if i try Thanks For The Help sorry about spelling |
| Check to see if your front site is on straight. Turn the upper upside down and see if it rests evenly on the FSP or if it leans one way or another. If it's shooting a little left, can you make any adjustments to correct it. Not all AR's will be zero'd with the rear site in the dead center. |
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Quoted:
rear site is all the way right and it wont zero at 25 yards its off about 2 inch guys at shop found the same thing Three possibilities: - The FSB is canted. (Which BM is notorious for.) - The barrel indexing is off. (This occurs during barrel nut tightening.) - A combination of both. |
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