AR Operations: Direct Impingement vs. Piston Operated

By |2015-07-07T09:58:26+00:00July 7th, 2015|

Imagine the bolt (below) inside of the bolt carrier (above) and </p> <!-- AddThis Advanced Settings above via filter on the_content --><!-- AddThis Advanced Settings below via filter on the_content --><!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons above via filter on the_content --><!-- AddThis Share Buttons below via filter on the_content --><div class=