01-24-2020, 02:01 AM
(This post was last modified: 01-25-2020, 01:53 PM by PNWTargets.)
One factor to feeding rounds besides the magazine and ammo is buffer spring/weight for BCG timing. The other is gas flow. I have tested multiple 6.5 and 5.56 set ups to get feeding and last round bolt stop to work correctly. Just some things to keep in mind.

