KWA QRF MOD1 FPS Adjustment Guide
OptimusPrime
16 Jan 2020
The KWA QRF series come with the variable FPS feature, allowing one to adjust the FPS to meet the local game site requirements. Ohio Raiders Airsoft did a further review of the AEG and showing how to do the adjustments... "A further in depth overview of the QRF mod1 by KWA, some in game reviews and functionality and the guide to the variable fps adjustment system."