1. This product was added to our catalog on Saturday 04 May, 2019.

    STEEL SPRING AIRSOFT VARIABLE PITCH 90 M/S D90 - DMAC
    [D90]

    Price:  

    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.

    Construction features:

    Steel Pre-hardened;

    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

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