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Forum: 300 Whisper Rifles and Pistols 12-07-2010, 01:37 PM
Replies: 48
Views: 12,939
Posted By rsilvers
300 AAC BLACKOUT has the same headspace as 221...

300 AAC BLACKOUT has the same headspace as 221 Fireball.

As far as I know, and the drawings I have seen so far, 30-221 and 300 Whisper(TM) also have the same headspace as 221 Fireball.

Because...
Forum: 300 Whisper Rifles and Pistols 12-07-2010, 01:04 PM
Replies: 48
Views: 12,939
Posted By rsilvers
That is why the military does not allow...

That is why the military does not allow polishing. Consumers, I am told, want it polished and associate polished ammo with premium ammo. I specified unpolished, waterproof primers, etc.
Forum: 300 Whisper Rifles and Pistols 12-07-2010, 12:52 PM
Replies: 48
Views: 12,939
Posted By rsilvers
300 AAC BLACKOUT is 55,000 MAP by SAAMI method. ...

300 AAC BLACKOUT is 55,000 MAP by SAAMI method.

The latest version of QuickLoad has 300 AAC BLACKOUT in it, I am told - though I have not seen that yet.

I measured some fired cases in an AR...
Forum: 300 Whisper Rifles and Pistols 12-07-2010, 02:31 AM
Replies: 48
Views: 12,939
Posted By rsilvers
Yes, sorry - you should have never had to go...

Yes, sorry - you should have never had to go through that. I know what waiting and not getting anything is like. I had five Shrikes on deposit for a few years. But yes, not the same thing as he never...
Forum: 300 Whisper Rifles and Pistols 12-06-2010, 07:42 PM
Replies: 48
Views: 12,939
Posted By rsilvers
This same brass is used in SAAMI proof ammo at...

This same brass is used in SAAMI proof ammo at over 70,000 psi but member companies will not load this ammo over normal pressure guidelines. In my own hand-loading, I only load to what I have reason...
Forum: 300 Whisper Rifles and Pistols 12-06-2010, 06:35 PM
Replies: 48
Views: 12,939
Posted By rsilvers
We gave a lot of special attention to the brass....

We gave a lot of special attention to the brass. It was annealed in the neck and left unpolished for visual verification. The shoulder was kept as large as possible for headspace. The brass was...
Forum: 300 Whisper Rifles and Pistols 12-06-2010, 06:12 PM
Replies: 48
Views: 12,939
Posted By rsilvers
The ammo is designed to not exceed max pressure...

The ammo is designed to not exceed max pressure in 300 AAC BLACKOUT barrels. If you want to shoot full power 300 AAC BLACKOUT ammo in your wildcat chamber, you should ream it or else pressure may go...
Forum: 300 Whisper Rifles and Pistols 12-06-2010, 01:48 PM
Replies: 48
Views: 12,939
Posted By rsilvers
That has happened sometimes when the item did not...

That has happened sometimes when the item did not pass final inspection or testing but the salesperson 'knew' all the parts where there. It was a result of being bigger than a few guys making stuff...
Forum: 300 Whisper Rifles and Pistols 12-06-2010, 10:40 AM
Replies: 48
Views: 12,939
Posted By rsilvers
Yes, evidently Noveske, on their own and before...

Yes, evidently Noveske, on their own and before 300 AAC BLACKOUT was known to them, also decided to increase throat dimensions over their earlier barrels.
Forum: 300 Whisper Rifles and Pistols 12-05-2010, 11:41 PM
Replies: 48
Views: 12,939
Posted By rsilvers
Whisper, 300 Fireball, and 300-221. BLACKOUT...

Whisper, 300 Fireball, and 300-221.

BLACKOUT there is about 1000 barrels.
Forum: 300 Whisper Rifles and Pistols 12-05-2010, 07:29 PM
Replies: 48
Views: 12,939
Posted By rsilvers
I would like to know how many barrels exist. I am...

I would like to know how many barrels exist. I am guessing 3000?
Forum: 300 Whisper Rifles and Pistols 12-05-2010, 04:48 PM
Replies: 48
Views: 12,939
Posted By rsilvers
http://www.silencertalk.com/forum/viewtopic.php?f=...

http://www.silencertalk.com/forum/viewtopic.php?f=128&t=64747&hilit=reamer
Forum: 300 Whisper Rifles and Pistols 12-05-2010, 02:40 PM
Replies: 48
Views: 12,939
Posted By rsilvers
There is a guy on silencertalk who ordered one...

There is a guy on silencertalk who ordered one and said he would charge $50 plus shipping.
Forum: 300 Whisper Rifles and Pistols 11-23-2010, 09:46 PM
Replies: 48
Views: 12,939
Posted By rsilvers
http://www.ar15.com/forums/topic.html?b=3&f=121&t=...

http://www.ar15.com/forums/topic.html?b=3&f=121&t=516732

.

You can ream out an existing chamber. You can do it with a normal reamer being careful to not increase headspace, or you can do it...
Forum: 300 Whisper Rifles and Pistols 11-23-2010, 08:14 PM
Replies: 48
Views: 12,939
Posted By rsilvers
It is the version of 30-221 Fireball which has...

It is the version of 30-221 Fireball which has been submitted to SAAMI by Remington and AAC as the new standard.

www.300aacblackout.com

Remington is making ammo for it in large quantities and...
Forum: 300 Whisper Rifles and Pistols 11-23-2010, 06:04 PM
Replies: 48
Views: 12,939
Posted By rsilvers
Conversion to 300 AAC BLACKOUT reamer

PTG is making a reamer which cuts the complete chamber except for the shoulder so it will not increase headspace. Generally, this will lengthen the throat and ensure the diameter is not too small.
...
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