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Posted: 9/9/2010 7:41:14 AM EDT
I've got 600 Winchester SR primers, with No. 6 1/2 - 116 printed on the box I'm not sure of the age. I got concerned about them while reading a current thread about possible primer issues.

I then went to http://www.6mmbr.com/223Rem.html

And read up a bit and came to this...

The latest generation of Winchester primers, with brass-colored cups, should be avoided for AR15 use. The old silver Winchester primers worked fine, but the current WSRs are soft and can be pierced more easily than CCI or Rem primers.

The "cup" is the part that the firing pin hits...correct? if so mine are silver colored. I'm starting out with mild loads but will eventually work my way up.

Should I just "sit on" these old Winchesters or start out with some Remington 7 1/2's or another "harder" primer? I don't have cash to burn, but, I don't mind spending the coin to start out on the right foot, I would rather go with a "recommended" primer then cause any potential issues. This is my first loading session with .223.

What would you do?

This for an AR.
Link Posted: 9/9/2010 8:09:33 AM EDT
[Last Edit: 9/9/2010 6:38:25 PM EDT by Mike_Mills]
I have not had any troubles at all with Winchester primers with brass-colored cups and with silver-colored cups. I have seen advice like the one you posted many times but cannot find a credible source. In every case I know of, it was related to either a rifle problem (damaged firing pin tip) or an uber-pressure load.
Link Posted: 9/9/2010 9:29:11 AM EDT
Link Posted: 9/9/2010 10:17:05 AM EDT
Load with confidence

One day I'll probably run out of these old white box with red/orange stripe Winchies

Link Posted: 9/9/2010 8:32:13 PM EDT
Link Posted: 9/9/2010 10:30:39 PM EDT
[Last Edit: 9/9/2010 10:31:37 PM EDT by hdbiker1]
Originally Posted By AssaultRifler:
Load with confidence

One day I'll probably run out of these old white box with red/orange stripe Winchies

http://i221.photobucket.com/albums/dd185/toyotatacoma03/reload/ReloadPart43.jpg


A friend brought over a case (5000) of those and told me to use them up and that he had 2 more waiting for me. What a guy.
Btw, the case was marked $50.

Link Posted: 9/11/2010 6:27:01 AM EDT
Thanks guys, I'm going to go ahead with them and give it a try, I hate to waste 600 primers.
Link Posted: 9/13/2010 2:50:54 AM EDT
i was waiting for someone(sp?) to correct the OP on winchester 6.5. i thought that was remington's thing-numeralization? winchester was wlp/wsp/wlr/wsr.
Link Posted: 9/13/2010 3:34:44 AM EDT
[Last Edit: 9/13/2010 3:39:37 AM EDT by AssaultRifler]

Originally Posted By xdmikey:
i was waiting for someone(sp?) to correct the OP on winchester 6.5. i thought that was remington's thing-numeralization? winchester was wlp/wsp/wlr/wsr.

I've alway known the primers as "WLP", etc like you said. Possible way back in the old days maybe they had a numbering system, I have no idea

MidwayUSA calls them 6 1/2 primers http://www.midwayusa.com/viewproduct/?productnumber=485932

Winchester uses both naming conventions:

http://www.winchester.com/Products/components/primers/winchester-primers/Pages/winchester-primers.aspx

<th>Symbol</th> <th>Primer</th> <th>Types</th>
W209 #209 Shotgun Shells
WLP #7 - 111 Large Regular Pistol
WLR #8-1/2 - 120 Large Rifle
WLRM #8-1/2M - 120 Large Rifle Magnum
WSP #1-1/2 - 108 Small Regular Pistol
WSPM #1-1/2M - 108 Small Magnum Pistol
WSR #6-1/2 - 116 Small Rifle

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