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my gun might go boom?
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I might have loaded about 3 out 150 rounds of .223 for my 5.56 chamber with cci 450 mag primers insted of cci 400 using 75 gr hornady bthp I use 25 gr varget and have no pressure signs anyone know what might happen its listed at 48,000 cup I know that a 5.56mm chamber can shoot 55,000 psi to 60,000 psi. I dont want to throw my rounds away.


lostinspace
 
Posts: 21 | Registered: 07 August 2007Reply With Quote
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In my experience a mag primer is worth about a grain of powder. If you are loading max powder loads then those mag primers will more than likely see some cratering. Not a big worry.
Be more careful next time.
 
Posts: 1159 | Location: Florida | Registered: 16 December 2004Reply With Quote
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Picture of hivelosity
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tear the 3 reloads down.
in all your post Your talkin about "HOT" over max loads and now the wrong primers for the load you are workin on.
Sounds like a plan for disaster
 
Posts: 2134 | Location: Ohio | Registered: 26 June 2000Reply With Quote
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You've got 3 choices:

a - teardown
b - shitcan
c - shoot 'em

If you're all that concened about shitcanning 3 potentially "hot loads" , just pull 'em down and start over.
 
Posts: 8169 | Location: humboldt | Registered: 10 April 2002Reply With Quote
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Picture of vapodog
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quote:
In my experience a mag primer is worth about a grain of powder.


at the most!!!!

If you know which three they arr then tear them down.....if not I'd just go shooting!


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Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
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Picture of Mike_Dettorre
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I get the feeling he doesn't know which 3 are hot so heis looking at shit canning 150 rounds


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10181 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Lostinspace,

1) What type of gun are you shooting these in? If you're using a Ruger #1 I wouldn't be concerned at all, but if you're using a mini 14 then I'd be a bit leery.

If you are super paranoid, which can be a good trait to have in this hobby, I'd load up a round or 2 with magnum primers, but a grain or two less than what you normally use, and shoot them. Examine for pressure signs. If OK, then load 1/2 grain low, examine, then load your normal loading with the magnum primer and see how it is. Odds are that you won't see anything out of the ordinary, but this way you will know for sure.


for every hour in front of the computer you should have 3 hours outside
 
Posts: 7786 | Location: Between 2 rivers, Middle USA | Registered: 19 August 2000Reply With Quote
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#1 - find a couple of crats
#2 - shoot those loads at the crat
#3 - inspect the crat for excessive velocity damage
#4 - forget all the internet primer nonsense
 
Posts: 13466 | Location: faribault mn | Registered: 16 November 2004Reply With Quote
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quote:
Originally posted by Mike_Dettorre:
I get the feeling he doesn't know which 3 are hot so heis looking at shit canning 150 rounds


no I dont know what rounds have the mag primers, I am shooting them out of an AR 15 5.56mm chamber.
I have loaded them with 25gr Varget it's a 75 gr bthp 48,000 cup I dont show any pressure signs.


lostinspace
 
Posts: 21 | Registered: 07 August 2007Reply With Quote
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Load up three rounds with 24 grains, three with 24 1/2, and three rounds with 25, with the magnum primer. Start w/ the 24's and go up. If pressure causes concern along the way, stop and tear down all 150 rounds.
 
Posts: 420 | Location: Boise, Idaho | Registered: 08 November 2003Reply With Quote
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quote:
Originally posted by Chop901:
Load up three rounds with 24 grains, three with 24 1/2, and three rounds with 25, with the magnum primer. Start w/ the 24's and go up. If pressure causes concern along the way, stop and tear down all 150 rounds.


I will


lostinspace
 
Posts: 21 | Registered: 07 August 2007Reply With Quote
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nothing happen no pressure signs


lostinspace
 
Posts: 21 | Registered: 07 August 2007Reply With Quote
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