I haven't shot it very much, maybe a few boxes (at most 5). I was sighting it in and wanted to use some pretty decent ammo, so I used Hornady.
I have a Bushmaster also, that gets most of the abuse now. The Bushmaster I just use Winchester or Remington ammo. I'm just using the iron sites on this one so for the most I'm just happy to hit the plates at a set distance.
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