When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

M40 tester for Claymore Clacker M57:
$149.99
M40 electrical circuit tester. In working condition. Tested with three clackers to confirm.Authentic USGI tester.
Check my response, thousands of satisfied customers.