ZCI M120 AEG Spring

Availability: In Stock25
Brand: ZCI
Product Code: M82A
Product viewed: 4963
Shipping Code: LL - Large Letter

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A decent low cost linear steel spring from ZCI. These come in a plain plastic bag.

Spring ends are not flattened.
Linear design

Power Rating
M120 = 385 - 400 FPS with 0.2g

Please Note
When a new batch of springs arrive I generally test one of each power, however occasionally springs may get put into the wrong packaging at the factory. In cases where FPS is wildly different to that advertised we offer a free returns service so that the spring can be tested and an adequate replacement be sent out.  When fitting and testing springs it's important to have the correct cylinder and inner barrel length combination.

Wire gauge: 1.49mm
Length: 187mm

Spring Testing
When a new batch of springs arrive I generally test one of each power. Below is the setup I used for this particular spring:

Good cylinder, cylinder head, piston head and nozzle compression
Full Cylinder
Hop set off
Bearing on Spring Guide
No Bearing on Piston Head
No AOE correction
363mm ZCI inner barrel
ZCI plastic rotary hop chamber
ZCI 60 degree hop

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