The latest release from Modify Taiwan... "Dear Friends, Modify has a new Product! Accurate Hop Up Bucking for VSR-10, TM Hi-CAPA, M1911A1, SIG P226, SOCOM MK23, GLOCK 26 Series will be available in a week. It is made from 1st Class Aircraft Rubber with some special material added in.  It’s very accurate and consistent for shooting, improved air seal and with excellent extreme temperature properties.

If you have any question, please feel free to let me know.

Best regards,

Belle Li
Modify- Tech Co., Ltd
Tel: +886-3-3334980
Fax: +886-3-3311460
www.modify.com.tw"

You can download the product specifications which shows performance and other important features you will need to know about this product by clicking on the screenshot below.