JP-5 Roller Replacement Kit is designed to restore proper bolt gap and reliability in roller-delayed systems. Manufactured from proprietary bearing steel, these rollers deliver superior lifespan and wear resistance compared to many aftermarket options that use softer materials. Each kit includes two replacement rollers, a roller retainer spring, and spring pin, providing everything needed for installation. JP-5 rollers are engineered for both performance and durability to keep your JP-5 or MP5 running at its best.
Specification:
- Model Compatibility: JP-5 and H&K MP5 rollers (retainer spring not compatible with MP5)
- Material: Proprietary bearing steel
- Function: Restores bolt gap and ensures reliable cycling
- Note: Always confirm bolt gap after installing new rollers
Kit Contents:
- Two rollers
- Roller retainer spring
- Roller retainer spring pin
