Daystate mk3 regulator Daystate’s mechanically driven models feature Harper’s patented Slingshot hammer and valve set-up. We were amazed at the short lock time, previous Mk3’s were measured at 12ms and the new arrangement gave less than 7. Fitted with an adjustable walnut stock, single-shot tray and Muzzle Flip Compensator. 177 USED £ 19. 177 with a serial number in the mid 1500's . 00 Select options 0dB Pro System – End Cap Removal Tool £ 15. They have been working tirelessly to bring you all upto date repair manuals and diagrams including all ‘o’ ring sizes for all the current rifles . 5ms with a 19-inch barrel! Oct 21, 2019 ยท Thank you Steve I remember reading the explanation of regulators in the Cardew books and the Lane explanation is another excellent, informative, article. 00 Alpha / Delta Wolf Bag Rider. Tsar Trigger. mxgvfuitydgxmvjzsaonzcsugrbdgfmawxgvatlasifdaubhmlf