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When I was first testing Krytox GPL205 I left my Krytox lubed .177 R9 .........

September 27 2017 at 9:26 PM

nced  (Login SpringerEd)
YF12


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with oring sealed piston cap in my unheated sunroom overnight when the temp dropped to 27 degrees F and chronied the gun in the morning. The next night the gun was indoors at room temperature so I shot a few CPLs over the chrony as soon as there was enough light to get a reading and I was surprised by the result. The velocities difference between 27ish degrees and 72ish degrees was only 5fps and surprisingly the higher velocity was at 27ish degrees.

Since the velocities were identical for all practical purposes I knew that if there were "temperature related poi issues" it wasn't due to the oring sealed piston cap and Krytox lube.

 
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On line trajectory calc by Brad Troyer MILDOTS

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