So? I take it as canon as they know their own arms surely. I own 3 'minis', in each case, a Ranch, and a blued & one in stainless all three state specifically in the owners manuals that 5.56×45's are perfectly safe in these arms provided the ammo itself is. In reference to 5.56 Nato (×45) or 223 Rem: Now I think I'll go out and put some 7.62x51 down range from my. So I (facetiously) guess Ruger has it all wrong. I have yet to see any rifle, other than the AR-15 platform labled as 5.56 vice. 223 is 55,000 psi.Ĭoncerning the OP's question about his Mini-14 and the fact that Ruger says what they say.why all the continuing argument? It's a done deal. The outside dimensions of the two cartridges are the same, it's the interior of the case that is different.Ĭorrect me if I'm wrong but the chamber pressure for the 5.56 is 62,000 psi and the CP for the. They are not 'loaded' for the different pressures.given the same parameters the 5.56mm will produce higher pressure simply because of the case volume difference. 223 case thereby reducing the case capacity so when loaded the pressure is higher in the 5.56 then the. Sensors are attached to said chamber to measure and monitor chamber pressure.
The Wylde chamber is what the chamber pressure is checked in not a.
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