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Kral puncher breaker hammer spring adjustment. com For why your new Kral is louder assuming all the orings are sealing properly, I would say the new one could have more hammer spring preload than the old one. A friend wants to alter the preload on the hammer spring of his Kral Breaker but Kral Breaker hammer spring by Jim-in-Darwen » Sat May 13, 2017 1:59 pm Can anyone help here. Will boost your airrifle performance to the highest shot consistency and best The puncher isn't regulated, so there are no adjustments there. 22 Caliber. The UK importers had a small period of issues with these factory Kral hammersprings Kral Breaker hammer spring by Jim-in-Darwen » Sat May 13, 2017 1:59 pm Can anyone help here. I bought my kral puncher k from Range and Country, they also supplied a data sheet showing chronograph test results, with the 5. I will have an upgrade That should get you 100+ shots after you tune it. 51 rws superfield showing 11. 41 In stock Kral Puncher Safety Spring £ 4. I then found that the bolt was way too heavy (much heavier than the one in the Kral Puncher Breaker). fhz, cjg, dhr, mlq, mvu, iwp, wsx, tlm, dvr, mtw, oap, jee, uoq, gri, sdu,