Product description
Retro Arms SiCr spring with progressive irregular coil M110
Chrome-silicon steel mainspring designed for AEG replicas.
The progressive coil makes it easy to tension the spring without depriving it of power.
Spring dimensions:
Internal: 11.3 mm
Outer: 14.5 mm
Length: 190 mm
| Colour | Grey |
| Product weight [g] | 10 |
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