This product was added to our catalog on Saturday 04 May, 2019.
STEEL SPRING AIRSOFT VARIABLE PITCH 90 M/S D90 - DMAC
Born from the collaboration with a company 30 years leader in this sector, the D90 spring is made of pre-hardened steel with variable pitch.
The abbreviation 90 indicate the speed in m/s reached by bullets from 0,20gr.
Calibrated on a replica with inner-barrel by 6.08 and 220mm in length, using a cylinder type A (for barrel from 180 to 250 mm )
with a perfect closing between nozzle and hop up bucking and without bearings or thicknesses it on the head piston it on the spring guide.
The study of the step , the final length and its realization makes the spring soft in the compression phase and a fast release, ideal for mechanical high speed.
400 ° Stabilization
End adjusted and self-centering
Treatment peening (improves the surface residual stress distribution of the treated piece by increasing the resistance to fatigue).
Final stabilization at 200°