The Big Bore Precision Quest Tuner is now available for those wanting to run a tuner but not thread the barrel, the same one used successfully in benchrest but able to bore out to 1.250 https://precisionqp.com/product/big...9mXn6SmAcKY4ZIyaKJ_aem_jVSbVuAG2NlSkhPrGl-gFg