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Drakker · July 15th, 2017, 13:15

Not sure how the nozzle is made on a KWA M4, but in most WE guns, you can put an AEG gear shim in front of the floating valve spring. It doesn't involve any permanent alteration and takes a second. Took my WE AKs from 430-450 fps down to a nice 350 fps on 0.20g BBs.

July 15th, 2017, 13:15	#3
Drakker Official ASC Geomorphologist Trader rating Join Date: Sep 2009 Location: Montr?al south shore, Qc	Not sure how the nozzle is made on a KWA M4, but in most WE guns, you can put an AEG gear shim in front of the floating valve spring. It doesn't involve any permanent alteration and takes a second. Took my WE AKs from 430-450 fps down to a nice 350 fps on 0.20g BBs. __________________ Keep quiet. Sound travels faster than BBs. Québec province's master age verification representative.