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280 AI case comparisons - old & new
#8947333 06/15/14
Joined: Mar 2004
Posts: 6,065
Michigan
T
tomk Offline OP
Campfire Tracker
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tomk
Campfire Tracker
T
Joined: Mar 2004
Posts: 6,065
Michigan
Gents:
A local smith showed me two reamers side by side the other day. His old 280AI "wildcat" and the new 280 AI SAAMI spec reamer. You could see that the contours for the shoulder are different--more rounded. I asked him to apply the SAAMI spec reamer to my non-spec 280AI. The case on the right is the SAAMI speced case post firing.

[img:left][Linked Image][/img]

You can see from the shoulder to the neck the new spec is slightly fuller, less flattened out. In my rifle the net result is slightly longer chamber headspace...

It's a good reason to ask for the new reamer for a new build. Certainly better looking...:)

Defend the Constitution
GB1

Re: 280 AI case comparisons - old & new
tomk #8948560 06/15/14
Joined: Mar 2003
Posts: 17,174
Northern California
Hammerdown Offline
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Hammerdown
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Joined: Mar 2003
Posts: 17,174
Northern California

Nice looking case.

Should work fine.

Randy
NRA
Patriot Life Benefactor





Re: 280 AI case comparisons - old & new
tomk #8948655 06/15/14
Joined: Nov 2007
Posts: 29,645
Likes: 5
Mi.
E
efw Offline
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efw
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Joined: Nov 2007
Posts: 29,645
Likes: 5
Mi.
With all the discussion of the differences it's great to see the two side-by-side. Thanks for that!

I have an old version; what Redding calls ".280 Rem Ackley Improved".

Those Ackleys are sexy!
Re: 280 AI case comparisons - old & new
tomk #8949601 06/16/14
Joined: Jan 2001
Posts: 59,158
Likes: 2
WI.
R
Redneck Offline
Campfire Kahuna
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Redneck
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Joined: Jan 2001
Posts: 59,158
Likes: 2
WI.
Originally Posted by tomk
Gents:
A local smith showed me two reamers side by side the other day. His old 280AI "wildcat" and the new 280 AI SAAMI spec reamer. You could see that the contours for the shoulder are different--more rounded. I asked him to apply the SAAMI spec reamer to my non-spec 280AI. The case on the right is the SAAMI speced case post firing.

[img:left][Linked Image][/img]

You can see from the shoulder to the neck the new spec is slightly fuller, less flattened out. In my rifle the net result is slightly longer chamber headspace...

It's a good reason to ask for the new reamer for a new build. Certainly better looking...:)
I sold off my former reamer and HS gauges to ensure I never got them confused - and/or got any customer confused..

Only reamer and gauges I have now is for the SAAMI spec issue..

Ex- USN (SS) '66-'69
Pro-Constitution.
LET'S GO BRANDON!!!

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