ZR Tactical PDP Spring Flatwire Recoil Spring Tuning Kit for ZRTS Guide Rods
Replacement springs for our guide rods.
- Includes (15, 17, 18)
- Will NOT fit factory guide rod
- Tune your ammunition to the spring rate
- Flatwire life expectency is 10-15k rounds depending on ammo
- LEGACY captured guide rods (.250 diameter)
- Heavy Captured Rod (produced after Jan 6, 2025) (.310 diameter)
- Ultra Mass Guide Rod (.330 diameter)
Spring Weights
- 15lb - Competition only
- 17lb - General purpose
- 18lb - Factory weight (nearly)
