Stainless Steel material with CNC machined
4 buffers for modification to shorten the cycling
Include Enhance Recoil Spring
Enhance the reaction force to speed up the blowback cycle
3 Colors available: Silver, Titanium Black and Titanium Gold
For Tokyo Marui Glock17, Glock18c, Glock22 & Glock34. 

UMAREX G17 Gen3 & G18c