Why did these squib?

skookumchuck

skookumchuck

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Hope B.C.
Shooting some reloads today and had my first ever squib. 200 grain campro FCP-TC with 5.3 grains of Winchester 231 CCI 500 spp 1.22 oal. Shooting out of a Ruger Redhawk with moon clips. A couple of rounds before the squib sounded very light like the powder hadn't completely burned and the squib left a lot of unburned powder. When I took apart the unfired rounds the bullet came out with much effort. Could I be using to light a crimp? I shot 24 reloads with titegroup that all went off fine and they were crimped at the same time as the Winchesters. While I have the attention of experience, I see in my manual some recipes for loads with the powder simply identified as 231 not Win 231. Is this a different powder? Do you think I could use the Win 231 safely with large pistol primers?
Thanks in advance.
 
231 and W231 are the same powder. Yes you can use large pistol primer safely.
I shot thousand and thousand of W231 load in .45 acp without a hiccup - ever - freezing to hot weather.

Are your primer fully seated ? Moon clip are not all created equal, they can be the source of your problem. Some are thin other a wee bit thicker. Bend from loading and unloading ?

Handling of your primer ? New - old ? Powder - new- old ? Do you use dry corn cob media ?
Those are know to find their way in the primer hole.

While a uniform crimp help for a consistent powder burn..this is not the cause of your squib load.
 
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