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#1820189 - 01/29/11 07:38 PM 220 Swift Ackley Improved load data.
NOTAHD Offline
New Member

Registered: 01/29/11
Posts: 5
Loc: West Virginia
Looking for load data for this 220 swift AI. I've got a 1 in 9 twist on a 26" heavy Hart barrel. I think it will like to shoot 68 to 72 grain bullets but don't know for sure. Any one have load data they would like to share?

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#1820208 - 01/29/11 07:44 PM Re: 220 Swift Ackley Improved load data. [Re: NOTAHD]
bigbird243 Offline
Seasoned Member

Registered: 01/02/11
Posts: 202
Loc: South Central KY
The easiest way it to start at max for the swift and work your way up, keeping an eye on pressures. Seems no one wants to publish any data on the Ackley's.

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#1820933 - 01/30/11 10:46 AM Re: 220 Swift Ackley Improved load data. [Re: bigbird243]
yotedog65284 Offline
Seasoned Member

Registered: 12/09/07
Posts: 178
Loc: utah
Bigbird is right on the start load. Ackleys are not like standard cases as far as preture signs. The straightness of the case does not push back agianst the bolt face like a tapered case. You need to shoot with a chronograph to see when you get a spike in velocity. Then back it down a little. Speed is not always accuracy.

Good luck Chris
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#1820951 - 01/30/11 10:57 AM Re: 220 Swift Ackley Improved load data. [Re: NOTAHD]
Rustydust Online
Die Hard Member III

Registered: 10/21/07
Posts: 3527
Loc: Southwest Idaho
Find someone that has copies of PO Ackley's Handbook for Shooters & Reloaders. There is load data in there, albeit old load data. A lot of the Ackley stuff used some high pressure loads, so work up to the max stuff with quite a bit of caution.

Performance wise, a Swift does not benefit all that much from "improving" as other cases do such as the 22-250, but longer brass life from less stretching is alway a plus.
_________________________
I once asked a liberal "What is it with you people? Is it ignorance or apathy?'
He said, "Well, I don't know and I don't care.'"


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#1833457 - 02/07/11 09:45 AM Re: 220 Swift Ackley Improved load data. [Re: NOTAHD]
nomosendero Offline
Seasoned Member

Registered: 01/07/06
Posts: 317
Loc: Pocahontas, AR
Should be a great setup. I bet that should kick butt with a 75A-Max. That bullet usually needs a 1-8, but I bet with the
case cap of a 220AI a 1-9 would work, makes me wish I still had my Swift.
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