The DPM Recoil Reduction Rod Standard Version is designed to serve 115gr & 124gr ammo, also it is compatible for the above type C models too.For Comps and similar mods follow the link here.National Tactical Officers Association Tested & Recommended.
The DPM Recoil Reduction Rod Soft Version is Designed to serve any comp, ported slides & threaded barrels. Also it is compatible for low power ammunition.
DISCLAIMER:
"GLOCK" is a federally registered trademark of GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither Dpm Systems Tecnologies LTD nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.