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223 vs 5.56 headspace gage Login/Join 
Master of one hand
pistol shooting
Picture of Hamden106
posted
Same or different?

I want to check headspace on a RRA NM barrel switch.



SIGnature
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Posts: 5090 | Location: Duckburg, OR | Registered: September 01, 2001Reply With QuoteReport This Post
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Picture of dusty3030
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Headspace gauges are the same for these two.


Straight shootin!
dusty
 
Posts: 3670 | Location: Fayette County, TN | Registered: August 13, 2005Reply With QuoteReport This Post
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But it is probably worth noting that there are different numbers for different mfg. of the gauge.
Probably not relevant for a new situation (go/nogo), but a field gauge may be...


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 7897 | Registered: October 14, 2004Reply With QuoteReport This Post
fugitive from reality
Picture of SgtGold
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You're going to need to know the specific chamber spec in order to get the correct gauge.


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Posts: 6337 | Location: Newyorkistan | Registered: March 28, 2007Reply With QuoteReport This Post
Master of one hand
pistol shooting
Picture of Hamden106
posted Hide Post
quote:
Originally posted by SgtGold:
You're going to need to know the specific chamber spec in order to get the correct gauge.


Barrel is RRA NM A2
They list the chamber as
.223 Wylde Chamber for 5.56mm and .223 Caliber



SIGnature
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Posts: 5090 | Location: Duckburg, OR | Registered: September 01, 2001Reply With QuoteReport This Post
fugitive from reality
Picture of SgtGold
posted Hide Post
quote:
Originally posted by Hamden106:
quote:
Originally posted by SgtGold:
You're going to need to know the specific chamber spec in order to get the correct gauge.


Barrel is RRA NM A2
They list the chamber as
.223 Wylde Chamber for 5.56mm and .223 Caliber


I misspoke a bit. The go\no go gauges are the same across the 223\5.56 chambers. The field gauge is larger for the NATO 5.56 chamber.


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Posts: 6337 | Location: Newyorkistan | Registered: March 28, 2007Reply With QuoteReport This Post
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