Hilton Yam announced that APEX and 10-8 collaborated to make this base pad for M&P. 10-8 already has a base pad for Glock and customers were wondering if there was something for M&P.
It is sold as a set of 4, at $34.95
Blog post on MSW: http://modernserviceweapons.com/?p=12432
From: Modern Service Weapons