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Search took 0.00 seconds. Search: Posts Made By: alpine44
Forum: 300 Whisper Ammo and Reloading 05-25-2010, 11:48 AM
Replies: 35
Views: 9,602
Posted By alpine44
WC297 for supersonics

Hi Jerryr98, I am glad to see your post. I thought I was loosing it on the reloading bench.

I would not worry with a Remington 700. That action was designed for much (!) higher loads. The AR15...
Forum: 300 Whisper Ammo and Reloading 12-09-2009, 01:00 PM
Replies: 35
Views: 9,602
Posted By alpine44
Yes, the "entrance" radius on my barrel is quite...

Yes, the "entrance" radius on my barrel is quite generous. But that turned out to be a good thing as it allowed the case to blow through the extractor cut-out and vent the pressure. Otherwise, the...
Forum: 300 Whisper Ammo and Reloading 12-08-2009, 10:22 PM
Replies: 35
Views: 9,602
Posted By alpine44
There are a lot of dumb things we all have done...

There are a lot of dumb things we all have done that are not worth sharing.

This however was one of those "gotchas" that simply leave you scratching your head. When I started loading the .300...
Forum: 300 Whisper Ammo and Reloading 12-08-2009, 04:00 PM
Replies: 35
Views: 9,602
Posted By alpine44
The most important thing to keep in mind is that...

The most important thing to keep in mind is that the bolt was closed after the event.

The BC was pushed back to the point where the cam pin would start rotating the bolt, but the bolt could not...
Forum: 300 Whisper Ammo and Reloading 12-08-2009, 12:35 AM
Replies: 35
Views: 9,602
Posted By alpine44
Thanks for all the ideas and suggestions so far. ...

Thanks for all the ideas and suggestions so far.

Here is some more info:

The rifle has a carbine length gas tube.
The bolt was closed (lugs locked behind extension) after the event.
The BC...
Forum: 300 Whisper Ammo and Reloading 12-07-2009, 09:56 PM
Replies: 35
Views: 9,602
Posted By alpine44
The bolt was 100% closed when the charge ignited....

The bolt was 100% closed when the charge ignited. I let the BC slam home, pointed the gun away from me, and pulled the trigger. Also, I spent about 30 minutes to get the bolt open after the ka-boom....
Forum: 300 Whisper Ammo and Reloading 12-07-2009, 05:31 PM
Replies: 35
Views: 9,602
Posted By alpine44
Alleycat, Powder bridging is a plausible...

Alleycat,

Powder bridging is a plausible explanation at this point. I was using a progressive loader and did not visually check (shame on me) the powder level in each and every case for small...
Forum: 300 Whisper Ammo and Reloading 12-07-2009, 03:44 PM
Replies: 35
Views: 9,602
Posted By alpine44
Ka-boooom and stumped

After 20+ years of safe reloading I recently had a hair raising "event".

Loaded a 300 Whisper case formed from 5.56 Nato WCC brass, primed with CCI400, and charged with 14.4gr of H110 behind a...
Showing results 1 to 8 of 8

 
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