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#279913 - 03/10/16 03:45 PM Re: "The Politics of Preparedness" in the NYT [Re: Tjin]
hikermor Offline
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Registered: 08/26/06
Posts: 7705
Loc: southern Cal
Precisely my point....

Although I believe i have read learned discussions in which it is stated that one won't chamber in weapons of the other type.?? I don't worry about it all that much. I am a 12 gauge/357 Mag guy when I must go a few rounds.

We can always talk about the supreme steel for knives. i get lost real quick there...
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#279914 - 03/10/16 04:24 PM Re: "The Politics of Preparedness" in the NYT [Re: hikermor]
Russ Offline
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Registered: 06/02/06
Posts: 5357
Loc: SOCAL
As I understand, while both .223 Rem and 5.56NATO rounds will chamber in .223/5.56 rifles, but rifles designed for 5.56NATO have longer leades to accommodate the slightly higher pressure of the NATO round. I have a bolt rifle in .223 Rem and was warned to not use 5.56 NATO.

from:5.56 and .223: Are They Different?
Quote:
...The leade on a proper 5.56 chamber is twice or more than that of a .223 chamber, and the onset angle of the 5.56 rifling creates a ramp with four times the distance. Firing .223 in a .223 chamber, or a 5.56 chamber, is not a problem. But firing real-deal 5.56 ammo in a .223 chamber can be a big problem.

The SAAMI-spec maximum average pressure for the .223, measured at the middle of the case, is 55,000 psi. The NATO spec for 5.56 is determined by SAAMI’s European counterpart, CIP. CIP measures at the case mouth and lists the 5.56 pressure spec of 62,000 psi. Measured at the case middle as SAAMI does, it shows 60,000 psi—so either way it’s higher than the .223. ...


I'm sensing thread drift....

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#279915 - 03/10/16 05:14 PM Re: "The Politics of Preparedness" in the NYT [Re: Russ]
hikermor Offline
Geezer in Chief
Geezer

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
To get back on track, I suspect that back in the Pleistocene, our revered ancestors had their favorite club, along with the spear holding their preferred point, as well as what would have been their version of the SAK - the chipped stone artifact referred to by archaeologists as the hand axe.

We have always through time equipped ourselves with what have been regarded as EDC items. It's just that with the internet, we can talk about it more and develop EDC cults.
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