Hephaestus Recoil Power Kit for KSC / KWA Vz61 GBB SMG Series Goggles & Glasses Parts New Silicone material with better

New Silicone material with better performance like Anti-Low Temperature for GBB series

-       Made in the U

Pro-Arms Tritium CNC Steel Suppressor Sight Set for Umarex / VFC Glock 17 Gen3 Gen4

Softer ones give more consistency in your shots but wear down quicker

The Battlecomp 2

Hephaestus Recoil Power Kit for KSC / KWA Vz61 GBB SMG Series Goggles & Glasses Parts New Silicone material with betterCNC machined brass construction. Increase recoiling mass ( weight of bolt carrier group ) to increase kick and felt recoil. Enhance shooting experience while keeping the rate of fire and gas efficiency. Drop in replacement for original Main Seal Base. Suitable for KSC KWA Vz61 GBB SMG.