G&p sai m4

gzuk1984

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Join Date: Apr 2013

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G&p sai m4

28 January, 2015, 12:13

Hi guys ive looked this up and apparently this rifle is a negative pressure gas system but on green gas is firing at close to 400. Ive never fitted an npas valve before how hard is it? Also will this part be compatible with it RAG-INO-020 looking at RA-techs website this part is compatbile with WA/G&P?
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