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Guarder SP120 AEG Spring
[00630 / SP-120]
by A. MEJIA Date Added: Sunday 04 November, 2007
Great spring needs time to settle down. When its new it put my gun at 440 but since its settled its gone to 415-420 constantly. However, you should use a reinforced mechbox because this spring does cause a lot of stress cracks on anything like a TM or Echo 1 my friends had to replaced their mechboxes with Systema, CA, and Guarder. Just check all of your seals especially where the air nozzle and the cylinder head meet, and lube that little o-ring in there with dielectric grease or silicone grease. This is a much better choice over the Systema springs because those tend to break, personally I've broken an m130 into six pieces using a magnum and highspeed gears. But these hold up better to the stress. But they say the PDI springs don't cause as much stress as these do even though they have the same spring constants and do pretty much the same thing.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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Guarder SP120 AEG Spring
[00630 / SP-120]

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