Posted: 5/19/2013 2:45:43 PM EDT
| any hits lately on a complete upper flat top m4 maybe?off brand or used? in missouri? im a newb can i buy an upper with no bolt and not worry about headspace? |
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My best advice is to follow Aero Precision on FaceBook: https://www.facebook.com/pages/Aero-Precision-Inc/113400445350530?fref=ts
They have 'blemished' receivers - both upper and lower - on their website and will post up on FB when they do. |