If using a TAC-41 Polymer or Lite Sport version, you will need the metal spring guide and base. This SAP piston kit comes with an edgi spring guide which replaces the Silverback spring guide - you will need to reuse the Silverback spring guide base.
A brand new Shock Absorbing piston from EdGi custom works.
SAP - Shock Absorbing Piston 100G Base weight - 150G maximum
316L Stainless Steel
Weights included: 120G, 140G, 150G
Sylicone Damper
Threaded Airbrake for the ultimate in fine tuning
Dual Delrin protection guide ring
Aluminum Barrel Spacer for base weight
Spring Guide in Stainless Steel with Bearing and Rubber base Pad for wobble free operation
13mm Spring guide shaft
