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Half the harm that is done in this world is due to people who want to feel important. They don't mean to do harm-- but the harm does not interest them. Or they do not see it, or they justify it because they are absorbed in the endless struggle to think well of themselves.
T.S. Eliot
While on the subject, I had a brand new Anschutz .22..fired a few old CAC rounds through it, heard a dull pop, fired another round: there was a loud CRACK and it felt like someone had thrown a handful of sand in my face. It was fragments of the front end of the bolt. If I hadn't been wearing sunglasses, I would have lost an eye. I always wear glasses at the range now. The photos attached are of a .22 barrel which had been dropped in the mud then fired, and the second is of a D/B shottie inadvertently loaded with a double charge. The shooter lost 2 fingers.
"Current standards (SAAMI) show the pressures in PSI. For the 22 Long Rifle and Magnum (and the 17's), the allowable pressure is 24,000 PSI."
Guy Neill
CCI-Speer Technical Services
866-286-7436
Interesting topic.
I had just assumed 17HMR was way more pressure than 22LR - that would result in the problems discussed here.
Not so. As the above quote from CCI rep.
I recently had to make the call for buying a new possum-rabbit gun.
I was very tempted to get a 17HMR, but in the end went with the proven 22LR (CZ457 Varmint) which has the quick-change barrel option, if required (22LR 22MAG 17HMR)
(.22LR CCI stingers come out of the barrel at 1550 fps) - If I was after some more exiting velocity.
Anyhow, I am really glad to have read this thread. I won't be getting a 17HMR in a hurry.
I am going to stick to my original plan, keep the CZ in .22LR for close subsonic work, and keep looking out for that rare beast, a .17 Hornet, and smack that ball right out of the park.
Cheers.
Last edited by bobbydazzler; 07-01-2024 at 11:59 AM.
Hi bobbydazzler
As far as pest control ammo goes ! It's great in the fact it fragments very well.No bouncing the round or ricochets in my experience, the 20gn not so, I haven't tried the 15.5gn. I may try it for the built up areas.
If you read the thread, it's old ammo and humidity seems to be the main factors.
I have a handful of. 22lr and a. 22 magnun they are hardly used in the areas I shoot. I have heard the 22lr ricochet off sandhill County and that's no good on the life style blocks I shoot. I fired 30 odd last night and not one split case.
The A17 ammo is 100ft faster than the standard 17hmr and pressure is around 26,000 psi For he standard 17hmr ammo.
KH
Last edited by Kiwi-Hunter; 08-01-2024 at 07:48 PM.
The Voice of Reason, Come let us Reason together...
@bobbydazzler Quick FYI I saw this listing you may be interested in: Weihrauch HW60J Sporter 17 Hornet Rifle https://www.trademe.co.nz/4498281817
I own 4 HW60J ( New model code HW66CH - Classic Hunter comes factory threaded with no iron sight) 2 X 22LR, 1 X 22 Hornet, 1 X 2222 Remington. I swear by them for accuracy, excellent engineering and fit. I bought the Hornet through r Reloading Supplies, they were $500 cheaper than the big green store. Marston are the importers and will happily advise you of who has stock in NZ and when the next shipment of the CH model is due. Good luck.
I'm reloading my 22 Hornet for less than .17 HMR rimfire and I'm not having the case problems the .17 HMR shooters are experiencing.
Hugh Shields Controlled Rabbit Culling Wellington - Kapiti
Hi Hugh Shields
The 17 hornet is a flat shooter for sure and of course the cases are annealed so not the likely hood of the same problem.
The 17hmr at night I hardly push it passed 150yrds, I find that is the comfort zone for me.
After that I use the 223 with 40gn vmax if the area is good for it and I have a K hornet that I am yet to really play with using 35 v max.
A little off the topic, however certain area's are good for a longer ranger at night, the flavors are many.
The night and the rest, all have their limitations and weight has a limit for me these last few years.
KH
The Voice of Reason, Come let us Reason together...
On the change barrel cz rifles if there is any bulge on the head of a fired case I
Have given the barrel shoulder a skim in the lathe to tighten up the headspace
To more minimum specs
but all of the 17 rifles I have had through the door
90% have let go due to hornady Winchester or browning ammo
Cci or federal is better but have seen squibs from all manufacturers
If the stuck projectile is 5” back from the muzzle can usually
Get the projectile out and save the barrel and retain accuracy
Got a Sako quad barrel from a customer that was saved the first time
Using grease and 1/2x20 adapter but the second time it was stuffed
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