Laylax PSS10 190 Spring for Marui VSR/G-Spec Series Type_Mechanical Parts The included magazine is simply

The included magazine is simply a tan version of the standard M4/Socom Recoil Shock magazine

no tools required for adjustment

This spring is chromium plated which minimizes the friction of the spring on the piston

Features six ventilation holes to keep your head cool

Quality ABS construction accurately mimics the UMPs polymer magazines

Laylax PSS10 190 Spring for Marui VSR/G-Spec Series Type_Mechanical Parts The included magazine is simplyThe most popular brand of aftermarket spring used in the Marui VSR G Spec models. The quality and consistancy of these Laylax springs is second to none. This is the 190 SP version, produces approx 190 metres sec. All power outputs are approximate and can vary depending on your rifle.