Resources
General NFA Information, Classified Ads & Discussion Boards:
www.subguns.com
.300 BLK Rifles
http://daemondefensellc.com
.375 SOCOM Uppers and Parts
www.tromix.com
.458 SOCOM Uppers and Parts
www.tromix.com
.450 Bushmaster Uppers and Parts
www.tromix.com
.458 SOCOM and .375 SOCOM Ammunition
Black Butterfly Ammunition Store
Mail: 3620 Pelham Road
C/O UPS STORE PELHAM ROAD Locked Box #2
Greenville, SC 29615
877-533-5527
https://www.blackbutterflyammunition.com