rapax springs
Rapax springs comparison
19
Nov
Nov
Rapax spring comparison. Rapax 2+J 3+J and Hulk springs on test. Your personal results can vary depending on your setup, mainly inner barrel length and piston used in your rifle. Rapax light pull springs are good way for you to test your rifle performance, because Rapax 2+, 3+ and Hulk springs are constant strength over the batches and you can always expect to get fps/J the same like others if your setup is good.
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