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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
6.5 Grendel FDE - Takedown/switch caliber rifle
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<blockquote data-quote="Lefty38-55" data-source="post: 1327405" data-attributes="member: 95029"><p>FWIW I once had a Romanian PSL (aka the poor man's Dragunov) and while accurate with precision, it would loose both as she heated up and would start to string shots.</p><p></p><p>I sent the receiver & barrel assy out to NitroFreeze to be cryo freezed at -300 degrees. Cost me ~ $76 total, for round-trip shipping and the thermal cycle.</p><p></p><p>Once put back together I shot it to <em>warm it up</em> ... then hammered down range two 10-round mags as fast as I could re-acquire a good sight picture. All rounds landed in a 3" bull at 200-yards, which is about all one could ask for from the 7.62x54R, even with good handloads (less not using Lapua bullets).</p><p></p><p>Cryo works for heat related issued ... never would have believed it if I hadn't experienced it myself. I have not - yet - sent out an AR barrel or barrel mated to a receiver.</p><p></p><p>Nice parts selection sir and looks like a fun build, albeit I'm no fan of switch barrels. Cheers!</p><p></p><p><u>Added</u> - I have zero idea if cryo would help your possible shift issues ... switch barrel et al ...</p></blockquote><p></p>
[QUOTE="Lefty38-55, post: 1327405, member: 95029"] FWIW I once had a Romanian PSL (aka the poor man's Dragunov) and while accurate with precision, it would loose both as she heated up and would start to string shots. I sent the receiver & barrel assy out to NitroFreeze to be cryo freezed at -300 degrees. Cost me ~ $76 total, for round-trip shipping and the thermal cycle. Once put back together I shot it to [I]warm it up[/I] ... then hammered down range two 10-round mags as fast as I could re-acquire a good sight picture. All rounds landed in a 3" bull at 200-yards, which is about all one could ask for from the 7.62x54R, even with good handloads (less not using Lapua bullets). Cryo works for heat related issued ... never would have believed it if I hadn't experienced it myself. I have not - yet - sent out an AR barrel or barrel mated to a receiver. Nice parts selection sir and looks like a fun build, albeit I'm no fan of switch barrels. Cheers! [u]Added[/u] - I have zero idea if cryo would help your possible shift issues ... switch barrel et al ... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
6.5 Grendel FDE - Takedown/switch caliber rifle
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