The 22 creedmoor thread

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Lawnboi

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80 eldx entrance from a few posts back. 2980 starting speed, 100 yards.

Hit a rib, 2.5” entrance. Must have deflected a bit, a fragment exited mid body. Didn’t open it up, absolute mess, had corn and blood coming out the entrance.

Entrance
IMG_5317.jpeg
 
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Bluumoon

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Finally. Once fired, trimmed, chamfered inside and out, still have to lube neck to avoid deformation of bullet.
40gr H4350 20” barrel , Alpha LRP
 

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What's the verdict on Alpha vs other brass? I've followed this thread since the beginning but I can't remember. I see a lot use Alpha but there's some struggle with the case necks before first firing. Would going to Peterson avoid that?
 

waspocrew

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What's the verdict on Alpha vs other brass? I've followed this thread since the beginning but I can't remember. I see a lot use Alpha but there's some struggle with the case necks before first firing. Would going to Peterson avoid that?
I’ve used Peterson for other cartridges and wouldn’t hesitate to use it for the 22 CM. I’m still working with my Alpha brass.
 
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Lawnboi

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What's the verdict on Alpha vs other brass? I've followed this thread since the beginning but I can't remember. I see a lot use Alpha but there's some struggle with the case necks before first firing. Would going to Peterson avoid that?
Case neck friction is a problem with all the premium annealed brass. It’s not hard to overcome with what I posted not far back.

Alpha is good brass, it’s very consistent. The web area is hard and it can take a few firings before it really grabs the chamber. This can be chamber dependent. They have had their issues but I think with the 22 creed they are likely worked out.

Peterson isn’t as consistent but good brass.

I’d choose either without issue, though I’d do large rifle primer brass for either.
 
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Thanks for the replies! My barrel should be here soon. I'll get some alpha brass, 88 ELDMs and some dies coming. I have plenty of 4831sc, 4350, h1000 and primers. I'll report back with results.
 

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