Hatsan BT65 SB Elite, Removing the Regulator Valve

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Инструменты и хлопоты: веселые приключения в ремонте
Removing the regulator valve from my Hatsan BT65 SB Elite .22 to test some heavy pellets (starting with JSB Jumbo Beast 33.956 grains) at higher muzzle velocities. Related video: "Regulator Valve for Hatsan BT65, Installing and Testing" Join this channel to get access to perks: Thank you. Facebook:

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