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: GUARDER
GUARD010
Guarder Progressive Spring for AEG with a stiffness of SP100 (M100). Offers performance of 98 - 104 m/s. Made from tempered Si-Cr wire. Progressive (irregular) winding of the spring eases compression in the initial phase. Performance consistency even after thousands of shots. Fits standard TM AEG gearboxes and manual SVDs.
: Ultimate
ULTIM057
AEG Progressive Spring M105 by ASG ULTIMATE with green marking. Color-coded stiffness for easy identification. Ideal for airsoft gun upgrades. Made from military-grade SiCr spring steel. Progressive winding for smoother startup and reduced strain on gears and motor.
FPS-SRE-100
The 100 m/s FPS spring is calibrated in collaboration with Daniele Cimadoro of Terni Softair. In the phase immediately following forming, the spring is stabilized in the oven at a temperature of 400 degrees centigrade for thirty minutes in order to optimize its duration over time.
FPS-SRE-95
The 95 m/s FPS spring is calibrated in collaboration with Daniele Cimadoro of Terni Softair. In the phase immediately following forming, the spring is stabilized in the oven at a temperature of 400 degrees centigrade for thirty minutes in order to optimize its duration over time.
: Ultimate
ULTIM048
AEG Progressive Spring M125 by ASG ULTIMATE with orange marking. Color-coded stiffness for easy identification. Ideal for airsoft gun upgrades. Made from military-grade SiCr spring steel. Progressive winding for smoother startup and reduced strain on gears and motor.
: Ultimate
ULTIM047
AEG Progressive Spring M95 by ASG ULTIMATE with blue marking. Color-coded stiffness for easy identification. Ideal for airsoft gun upgrades. Made from military-grade SiCr spring steel. Progressive winding for smoother startup and reduced strain on gears and motor.
8824
Retro Arms has come out with another piece that helps you build a tuned NGRS EBB rifle exactly to your specifications. A quality shortened spring with progressive winding for TM NGRS gearboxes (SRE, Next-Gen Recoil), rated at M140. Progressive (variable) winding makes the spring easier to compress. Made from valve wire alloyed with silicon and chromium...
8823
Retro Arms has come out with another piece that helps you build a tuned NGRS EBB rifle exactly to your specifications. A quality shortened spring with progressive winding for TM NGRS gearboxes (SRE, Next-Gen Recoil), rated at M130. Progressive (variable) winding makes the spring easier to compress. Made from valve wire alloyed with silicon and chromium...
8822
Retro Arms has come out with another piece that helps you build a tuned NGRS EBB rifle exactly to your specifications. A quality shortened spring with progressive winding for TM NGRS gearboxes (SRE, Next-Gen Recoil), rated at M120. Progressive (variable) winding makes the spring easier to compress. Made from valve wire alloyed with silicon and chromium...
8821
Retro Arms has come out with another piece that helps you build a tuned NGRS EBB rifle exactly to your specifications. A quality shortened spring with progressive winding for TM NGRS gearboxes (SRE, Next-Gen Recoil), rated at M110. Progressive (variable) winding makes the spring easier to compress. Made from valve wire alloyed with silicon and chromium...
8820
Retro Arms has come out with another piece that helps you build a tuned NGRS EBB rifle exactly to your specifications. A quality shortened spring with progressive winding for TM NGRS gearboxes (SRE, Next-Gen Recoil), rated at M100. Progressive (variable) winding makes the spring easier to compress. Made from valve wire alloyed with silicon and chromium...