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Joined: Feb 2010
Posts: 1,583
Campfire Regular
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OP
Campfire Regular
Joined: Feb 2010
Posts: 1,583 |
Thanks for the info, and I spoke to a couple other folks that said I should be fine as long as I stick to lighter weight bullets (under 70 grains and all my 556 ammo is 64 grain) that aren't jammed into lands. The more I think about it the more I imagine the factories are running a little more lead in the 223 chamber just so there aren't major problems. I'll let you know how it turns out. Thanks again
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Joined: Nov 2011
Posts: 30,955
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2011
Posts: 30,955 |
I've never had an issue mixing and matching COMMERCIAL ammo between 5.56 and .223 chambers. As TAK pointed out this does not always apply to military ammo. In addition my full boat 5.56 loads are to warm for a .223 chamber in an AR, but work fine in the .223 bolt rifles I've tried them in.
Of course, just because I do it, doesn't mean you will want to, but those are my personal experiences.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Joined: Apr 2010
Posts: 10,828
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2010
Posts: 10,828 |
Free bore is the only difference
I have chrono'd both and checked charge weights from FC .223 55 fmj vs LC 55 fmj
Maximum length for the AR15 fed from a magazine is about 2.250
Maker of the Frankenstud Sling Keeper
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Joined: Dec 2004
Posts: 14,488
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2004
Posts: 14,488 |
I did run across an informational PowerPoint presentation that suggested M855A1 ammo is loaded to a higher pressure. I am not sure I recall correctly but I think I saw 58000 psi. Not sure I could find that webpage again. Sucks getting old...CRS, ya know!
Don't be the darkness.
America will perish while those who should be standing guard are satisfying their lusts.
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Joined: Nov 2011
Posts: 30,955
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2011
Posts: 30,955 |
I did run across an informational PowerPoint presentation that suggested M855A1 ammo is loaded to a higher pressure. I am not sure I recall correctly but I think I saw 58000 psi. Not sure I could find that webpage again. Sucks getting old...CRS, ya know! Shot a good amount of it in standard .223 chambers. I've never had an issue beyond the government accuracy.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Joined: Feb 2010
Posts: 16,076
Campfire Ranger
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Campfire Ranger
Joined: Feb 2010
Posts: 16,076 |
I've fired several variations of 556 in an H&R Handi Rifle with no ill effects. I would expect the same result from a 700 Remington.
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