A trigger spring upgrade kit for the HK416, Hammerli TAC R1 and other Walther/Umarex manufactured .22 ARs.
The drop in spring set will provide a smoother, crisp and lighter pull, for better control and accuracy.
- Reduces spring weight by around 3lbs (factory pull of 7 lbs 10 oz reduced to around 4 lbs 5 oz in tests)
- Three part precision calibrated match spring set
- Improves compression and release
- High performance aerospace grade springs
- Easy to install
Includes three springs:
- Match trigger return spring
- Match sear pressure spring
- Match hammer spring
Compatible with the following models.
- HK 416 .22LR
- Hammerli TAC R1.22LR
- Colt M4 .22LR
- HK G36 .22LR
- Beretta ARX 160 .22LR
No modification of the rifle is required. The spring set includes access to an online walkthrough on how to remove and disassemble the trigger group for the spring replacement.