OEM part number: 47872

This significantly improves the trigger pull and recoil

This upgrade is now also possible on the CZ 75 SP-01 thanks to the Slide Stop from Eemann Tech

Original GLOCK magazine well

DPM recoil-damping spring system for Glock

Glock Schlagbolzenfedern (Set) Glock Tuning OEM part number: 47872Set of various Glock firing pin springs This set includes 4 firing pin springs of different strengths for Glock pistols. You can choose between 4 different strengths: 2. 5lbs (WHITE) 3lbs (BLUE) 3. 5lbs (GREEN) 4lbs (RED) For comparison: The original Glock firing pin spring has about 5. 5 lbs or 24 Newtons! Fits all Glock models (except Glock 42 and Glock 43).