It’s here! Load development for the 17-222
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- .338 Lapua Magnum
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It’s here! Load development for the 17-222
My old L461 action turned up yesterday with the nice shiny .17 cal Shilen I bought from the Humpy one hanging on the end.
Once the homework duties were out of the way I checked that the formed cases from Camel still chambered, slapped two loads together, and tried it out in the headlights of the ute.
Tomorrow is forecast to be fine, around 19 deg C max temp with light winds- perfect load development weather! Might throw a few more loads together to check for accuracy and velocity.
Marcus
Once the homework duties were out of the way I checked that the formed cases from Camel still chambered, slapped two loads together, and tried it out in the headlights of the ute.
Tomorrow is forecast to be fine, around 19 deg C max temp with light winds- perfect load development weather! Might throw a few more loads together to check for accuracy and velocity.
Marcus
- trevort
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Re: It’s here! Load development for the 17-222
Now that shows someone was eager to get their hands on this. Trying it in the headlights of the Ute. Good stuff
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- trevort
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Re: It’s here! Load development for the 17-222
Oh and can you please buy the Norma 222 brass I listed
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- .338 Lapua Magnum
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- trevort
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Re: It’s here! Load development for the 17-222
He has a goodly supply. The longer I keep this the more I am in danger of doing something stupid. Really luck that 17 rem brass went north. Sexy little case
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- .270 Winchester
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Re: It’s here! Load development for the 17-222
Another good one there.
Sounds like you need some solar powered lights on your range
Bruce
Sounds like you need some solar powered lights on your range
Bruce
- Camel
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Re: It’s here! Load development for the 17-222
A good start Marcus, I take it you got the ring bits, not surprised the cases fitted, used the same reamer as the original chamber, in fact its only the second chamber cut with it. I liked a slightly slower powder, BM2 worked well with the added advantage of metering and flowing in the case mouth well.
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- .338 Lapua Magnum
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Re: It’s here! Load development for the 17-222
Yes I expected that using the same reamer would avoid any issues about different chamber sizes in terms of diameter (fired cases from my Anschutz .222 won't fit in the Sako .222).Camel wrote: ↑Fri May 17, 2019 10:43 pm A good start Marcus, I take it you got the ring bits, not surprised the cases fitted, used the same reamer as the original chamber, in fact its only the second chamber cut with it. I liked a slightly slower powder, BM2 worked well with the added advantage of metering and flowing in the case mouth well.
Because of the worn bolt lugs on this old L461 I thought headspace might be an issue, and that I might need to neck the cases up to .20 cal then incrementally neck them back down to .17 until they just became a crush fit. I shouldnt have worried, Darren has done an excellent job.
I did some more loading last night using AR2207, AR2206H, BM8208, AR2208, and BM2. Loaded up a set of five for each powder in 0.2gn increments to check for pressure and velocity. For most of these there is no listed loads so I looked at .17FB, .17Rem and .222 listed loads for guidance. As soon as I finish breakfast I'm heading out to give them a run.
Marcus
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Re: It’s here! Load development for the 17-222
Did you even taste your brekky ?
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- .338 Lapua Magnum
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Re: It’s here! Load development for the 17-222
I did - but I didn’t wait quite long enough. No velocity figures for the first couple of AR2207 groups (rounds loaded night before last) as there wasn’t enough light for the Chrony ....
Marcus
Marcus
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- .338 Lapua Magnum
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Re: It’s here! Load development for the 17-222
We have a winner for best powder, now to settle on the load.
Marcus
Marcus
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Re: It’s here! Load development for the 17-222
Good stuff
Now for paddock pizzas
Now for paddock pizzas
- Camel
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Re: It’s here! Load development for the 17-222
Have a go ya mug, moar powder
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Re: It’s here! Load development for the 17-222
21.5 would get my money sweet cal now its on a decent action.
Ol 55
Ol 55
Re: It’s here! Load development for the 17-222
Are you sure there is enough steel in that barrel?
I had a old 2A Land Rover that had thinner axles.
Looking good.
Bill
I had a old 2A Land Rover that had thinner axles.
Looking good.
Bill