Description
- Genuine GLOCK Factory OEM Part: Factory Part Number SP03091 (end-cap marked “03”) — guarantees blueprint-perfect fitment and optimal factory engineering performance.
- Dual-Spring Assembly: Features a multi-stage spring compression system that tempers recoil for repeatable, flat-shooting accuracy.
- Captured Sub-Assembly: Springs are secured onto the composite guide rod, ensuring a fast, tool-less drop-in swap during routine field stripping.
- Fits Model: GLOCK 19 Gen4 (9x19mm).
- Notice: Does NOT fit legacy Gen1 through Gen3 slide configurations, modern Gen5 models, or Slimline single-stack models (G42, G43, G43X, G48).





