Current 6mm Grendel barrel makers: BHW, McGowen and who else?

[SHORT-N-SASSY]

. . . consider yourself as having an open invitation of you ever find yourself working your way towards the passes on I70.

Indeed, a very special place to meet friends --- and one of my favorite haunts, some years ago ---

(The Continental Divide, about 13,500 feet, just north of the Eisenhower Tunnel, I-70, carrying a Remington 660, 6mm Remington.)