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Posted: 7/9/2006 3:48:13 PM EDT
| I have a bushmaster and was wondering what ammo they have standarized for their iron sights for sighting in. I'm guessing its 62gr but other than that I'm not sure. |
No such thing as a standard ammo for iron sights. Sight it in with what you plan to shoot. ETA: I just realized you might be talking about the BDC wheel on the A2 rear sight. That is calibrated for 62gr. M855. |
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