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Old 06-21-2020, 12:41 PM
JSH JSH is offline
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Default 17 Remington

26” Shilen select 1-9” twist.
I knew this was a shooter, but I had no idea I was going to be up to speed so quick.
CFE223
Remington 71/2
Virgin RP brass
25 grain Vmax

I started at 24.4 and went to 26.0 working 2/10 at a time. Right out the gate after a couple of foulers 4127 FPS ended up at 4371fps. Zero pressure signs. Ran over a magneto speed for readings.

I had initially been shooting 24.8 of the CFE223 which clocks at an average of 4210fps with a spread of about 8-10.

Barrels are like tires they can be replaced. It just want to go further than once around the block, so to speak. Am I nuts for wanting to throttle it down, or just keep grinning and get another barrel ordered?

Uh, yes it shoots. Shot the last three of the 24.8 loads at 200, clustered into 1/2”. Zero wind, bright, high humidity.

I knew going into this the barrel wasn’t gonna be a long term item, so I get that. Just looking for those that have any thoughts on maybe a different powder to prolong for a few more rounds.

Am I a first to be concerned with to much speed, lol.
Jeff
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  #2  
Old 06-21-2020, 02:19 PM
Bill K Bill K is offline
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Anytime I am in and around the 4100 FPS area and have super fine groups, I am happy. I prefer accuracy over FPS. So I think you are fine with a little slower velocity's and good accuracy. Easier on all the working parts and still does the job on the critters you are targeting. Bill K
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Old 06-21-2020, 02:42 PM
Daryl Daryl is offline
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4,300fps with 25 Vmax that thing will be shooting like a laser!
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Old 06-21-2020, 05:04 PM
TinMan TinMan is offline
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I agree with what Bill K said. I would work up some accuracy loads up for lesser temps, if you are going to shoot PDs in high temperatures, like 100°F or more. I downloaded a full grain off a max load, and it chronographed around 3900fps or so. They worked fine at 103°F temps in Colorado a few years back, and they were not loaded too hot, no bad signs of overloads.
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Old 06-21-2020, 06:46 PM
Bayou City Boy Bayou City Boy is offline
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Quote:
Originally Posted by TinMan View Post
I agree with what Bill K said. I would work up some accuracy loads up for lesser temps, if you are going to shoot PDs in high temperatures, like 100°F or more. I downloaded a full grain off a max load, and it chronographed around 3900fps or so. They worked fine at 103°F temps in Colorado a few years back, and they were not loaded too hot, no bad signs of overloads.

Very sound advice if you're going to be shooting PD's on hot days.

Loads that show "zero pressure signs" at reasonable temperatures can become very scary very quickly on a hot day, and that can ruin an otherwise perfectly good day. At roughly 4K at the muzzle, you're not going to lose anything important in the way of trajectory with light weight 17 caliber bullets throttled down just a bit.

From a realistic approach, it can be the difference between a hard to open or stuck bolt after every shot versus lots of fun shooting with no worries. PD's at normal 17 caliber ranges won't know the difference.

-BCB
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Old 06-21-2020, 10:41 PM
JSH JSH is offline
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I have shot the CFE223 with some stuff loads in 223 and not seen or had any issues, though the 17 Remington is a whole different animal.

I myself like a case full of powder. Those that have played with this, where should I look, prefer one of the powders that doesn’t get crazy in the heat.
I thought about Varget, but some one mentioned it was hard on throats?
I have several to choose from on the shelf. Not enough VV to mention, good powder but got tired of trying to keep some on hand, availability is the issue it seems.
Jeff
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Old 06-22-2020, 12:54 AM
Bill K Bill K is offline
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Might be just me, but I would stick with CFE 223, just load to where you don't run into issue with shooting in higher temps (any powder can cause the same issue, if near max load) find a real accurate load and just have fun with the 17 Rem.
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