Randomly grabbed one each of NIW 03-09 Tactical with Ranger plate and CS spring, 04-13 Tactical with SS spring, and 03-13 Standard with CS spring, all of which appear like the ones shown.
Loaded each with 20 rounds of WPA and all ran without issue in a Colt 6720 that had 280 rounds through it before firing.
I realize one of each style isn't all that convincing but given the less than potent ammo combined with steel cases stripping from new feedlips, varied dates of manufacture and mix of springs and followers, I'm inclined to hold on to what I've received.
If any of you do get new replacements with drastically different front ends, please share, it'd be interesting to see what Brownell's does to remedy the issue.
Finally, does anyone have any actual Brownell's USGI mags with brown followers? What do their front ends look like?