Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Hunting
Coyote Hunting - From 10 Yards to over 1,000 Yards
223 primers
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="keithcandler" data-source="post: 212686" data-attributes="member: 3728"><p><strong>I have seen a heck of a difference in primers ......</strong></p><p></p><p>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.</p><p></p><p>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.</p><p></p><p>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.</p><p></p><p>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. </p><p></p><p>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.</p><p></p><p>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.</p><p></p><p>Win and Fed 205's have very thin cups.</p><p></p><p>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!</p></blockquote><p></p>
[QUOTE="keithcandler, post: 212686, member: 3728"] [b]I have seen a heck of a difference in primers ......[/b] 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! [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Hunting
Coyote Hunting - From 10 Yards to over 1,000 Yards
223 primers
Top