You might also want to check out www.mgmtargets.com
At different times, we have purchased 2 clamshells/beartrap targets, 2 drop-turners, and also custom replacement plates for our plate racks from them. Everything was received promptly and is of excellent quality.
--Lin

(Disclaimer - I am not affiliated with, employed by, nor do I receive any remuneration of any type from Mike Gibson or mgmtargets.)