Ultimate M105 Upgrade Spring
ULTIMATE – MILSPEC - M105 – Springrate 0.467N/mm Ultimate Mil-Spec AEG springs are manufactured out of the best steel (SiCr) available for springs. With minimum loss in power and consistency, the Mil-Spec spring series is the ULTIMATE choice for your AEG. The Mil-Spec springs are color coded for better identifying them when switching...