DPM Glock 20/21/40/41/41SF Heavy Duty ++P Loads Captured Version Mechanical Heavy Duty Captured Recoil System Gen 4 MS-GLG4/5. The system offers almost double force at the end of full open position of the slide. Compared to the factory OEM spring...
DPM Glock 20/21/40/41/41SF Heavy Duty ++P Loads Captured Version Mechanical Heavy Duty Captured Recoil System Gen 4 MS-GLG4/5. The system offers almost double force at the end of full open position of the slide. Compared to the factory OEM spring...