02-25-2016, 01:03 AM
Let's not slam Shilen too hard about not using a SAAMI chamber. I believe they use an AA reamer design from before SAAMI certification. Best I can tell, it's within a few thousandths of SAAMI and uses the same 0.3" neck and the compound throat. Here's a copy of the reamer drawing they sent me about a year ago.
[attachment=5167]
[attachment=5167]

