Lookie what I just found:

http://www.missouribullet.com


.300 Blackout
.309 Diameter
245 Grain RNFP
Brinell 20
For Subsonic Work
Price per box of 250
Price: $36.00


.300 Blackout - Hi-Tek
.309 Diameter
245 Grain RNFP
Brinell 20
For Subsonic Work
Hi-Tek 2-Extreme Coating
Price per box of 250
Price: $40.00