For sure. My reg was at the stock 130 bar and with a hammer spring tension not even maxed I was shooting 680 or so IIRC.
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Adjust the reg and hammer tension. You can get a lot better than 550 FPS. Mine’s shooting 850 now with JSB 18gr.
Adjust the reg and hammer tension. You can get a lot better than 550 FPS. Mine’s shooting 850 now with JSB 18gr.