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223 primers

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Unread 04-26-2008, 02:19 PM
Bronze Member
Join Date: Feb 2008
Location: WA
Posts: 91
Thanks guys. I was pretty sure that the primers didn't have as much of an issue as the powder I just thought one might act better than another in specific weather.

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I'd rather be hunting with Uncle Ted!
Backstrap fever!
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Unread 05-04-2008, 12:19 AM
Bronze Member
Join Date: Feb 2008
Location: WA
Posts: 91
Originally Posted by magicofmt View Post
Pay the little extra and get the CCI BR 4 primers, you can't go wrong there.
I picked up 1000 at Cabelas today.........pay no tax today or tomorrow at the one in Lacey, WA. So I picked up the primers, some 40 gr v max moly, and some 90 gr bullets for my 270.
light bulb I told my wife the more I spend the more I save. :confused: She didn't understand

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I'd rather be hunting with Uncle Ted!
Backstrap fever!
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Unread 05-05-2008, 12:37 AM
Gold Member
Join Date: Jan 2007
Location: North Idaho
Posts: 668
I like the cci primers but I think there price is a little high compared to federals so I use federal.
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Unread 06-21-2008, 11:10 AM
Silver Member
Join Date: Jan 2005
Posts: 187
I have seen a heck of a difference in primers ......

when dealing with super accurate custom guns. Funny how a particular powder will love a particular primer to get those little tiny holes in the paper.

Rem 7 1/2, CCI BR-4's, and CCI450 all have thick cups, and in my loads the CCI450 is the hottest, but is not always the most accurate.

I'm a new convert a couple of years ago on Vit N-133 with the 40's & 50's, and Vit N-135 for the 55's. Out of my 26" Hart barrel, I can get 3900-3950 out of the 40g NOsler BT putting all the bullets into a tiny hole. With the 50's, using the 133, I am getting 3600-3635 out of the 50's, into the same very tiny groups, and with the 55's with the 135, I am getting 3550 with groups less than .300.

All of these loads are high pressure loads but will not require full length sizing of the brass, but will demand a thick cup primer.

I use IMI and Lapua brass with a minimum SAAMI match chamber with a .250 non turn neck with .2245 thoat and 1 /1/2* leade angle in 14 twists.

When I was playing around with the loads, some loads with the 133 had a slight edge with 7 1/2's while others liked the BR-4. All of these groups were in the .185-.250 range shooting Nosler BT bullets. The groups opened up slightly with the 450's, but not by more than .030.

Win and Fed 205's have very thin cups.

If I were shooting in super cold weather, then I would use the CCI450 or the 7 1/2 in that order. Remember that in temps of -25* and colder, pressures can spike!
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Unread 06-22-2008, 11:40 AM
Bronze Member
Join Date: Dec 2005
Location: AZ
Posts: 65
"Remember that in temps of -25* and colder, pressures can spike!"

Why do you think that?
Accurate rifle are interesting
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Unread 07-16-2008, 11:44 AM
Bronze Member
Join Date: Jan 2008
Posts: 46
Roundss: I use Federal 205M primers in ALL my small Rifle primer applications!
I live in and Hunt all over the Rocky Mountains year round!
This entails temperatures from -30 degrees to +100 degress Fahrenheit.
No surprises what so ever - just reliable performance.
I am currently loading for and shooting 7 Varminters in caliber 223 Remington. Like I mentioned they all use Federal 205M primers!
I highly recommend them for your useages.
Best of luck with the 223.
Hold into the wind
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