I can explain it. *ART EATMAN said:For no reason I could explain, I like the Swift over the .22-250.
Which of these cartridges is best in terms of:
1. Velocity
2. Accuracy
3. Efficiency
4. Cost to run
220 swift in the past couple years has moved very darn close to being obsolete
Conjecture based on ???????
The Swift has never had huge sales, but has always enjoyed a steady following. There has been virtually no change in ammo or rifle selection for quite some time. A few premium loads, and gunmakers waxing and waning the models they offer it in. When I bought mine in 2006, Remington didn't offer one but Ruger did. Today, the reverse is true. And this has been the story of the Swift for decades.
First place I looked:
http://www.midsouthshooterssupply.com/item/0001320257015/220_Swift_Unprimed_Rifle_Brass_25_Count_
The rest of everything else is just normal 223 powders & bullets along with standard LrgRfl primers.
Gee... you'd think you have a problem with Norma or something.
Those same (NORMA) cases I bought in `68 are still going strong -- 15-18 reloads later.
(Remember, I can get 22-250 velocities with 223 pressure) .
** (who pressure tests using CUP anymore?)