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Old 07-13-2018, 12:19 AM   #2
Join Date: Oct 2012
Location: Clarksville Tennessee
Posts: 32

I am still fine tuning the probe for length but so far I have gotten excellent results with an increase in speed on a 150gr bullet of 39fps. It was certainly not easy as none of the “experts” would comment and one even insisted that he had tried it and lost speed. The biggest two issues are ensuring that the probe is long enough that the bullet completely cleared the transfer port on the barrel and ensuring that it did not catch when inserting the magazine into the rifle. I used a 1/8” probe and used epoxy to secure it in the cut off and drilled bolt face.

As I finalize the modification and tweak it I will post more photos as well as a tutorial on what needs to happen for a successful probe to be installed.
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