Firearm & Gun Forum - FireArmsTalk.com > Gear & Accessories > Ammunition & Reloading > Sm. rifle magnum vs. standard primer

Reply
 
LinkBack Thread Tools Display Modes
Old 12-28-2012, 11:06 PM   #1
Feedback Score: 0 reviews
 
Join Date: Sep 2009
Location: frisco,TX
Posts: 180
Liked 11 Times on 8 Posts
Likes Given: 62

Default Sm. rifle magnum vs. standard primer

Does powder load vary if using magnum vs a standard primer? Ex: reloading .223, using Varget, 55gr FMJ, small rifle magnum primer. How many grains powder would a safe load be for 3000fps+ or what a typical average loadis. Does 27.0grains of powder sound right for a safe load?
Thanks for replies

Enjoy the shooting sports.



__________________
paul is offline  
 
Reply With Quote

Join FirearmsTalk.com Today - It's Free!

Are you a firearms enthusiast? Then we hope you will join the community. You will gain access to post, create threads, private message, upload images, join groups and more.

Firearms Talk is owned and operated by fellow firearms enthusiasts. We strive to offer a non-commercial community to learn and share information.

Join FirearmsTalk.com Today! - Click Here


Old 12-28-2012, 11:34 PM   #2
Moderator
FTF_MODERATOR.png
Feedback Score: 0 reviews
 
JonM's Avatar
 
Join Date: Nov 2009
Location: Rochester WI,Rochester WI
Posts: 17,190
Liked 5311 Times on 2773 Posts
Likes Given: 335

Default

i use magnum primers almost exclusively. just start somewhere in the middle and work up. just like any other round. dont ever exceed max or minimum charge weights. magnum primers work great in the cold on difficult to ignite powders. they really dont add much if anything to the pressure curve.

to get true velocity info you need a chronograph. what the loading manuals say is just guess work as they take averages based off one test gun. your individual barrel type of rifling case used exact bullet temperature barrel length gas system if any all play a role in velocity



__________________

"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith

The problem with being stupid is you cannot simply decide to stop doing dumb things...

JonM is online now  
2
People Like This 
Reply With Quote
Old 12-29-2012, 12:54 AM   #3
Feedback Score: 0 reviews
 
Join Date: Sep 2009
Location: frisco,TX
Posts: 180
Liked 11 Times on 8 Posts
Likes Given: 62

Default sm. rifle mag primers vs. standard

JonM, I know if you suggest it that I can bank on it. Thank you, I've always liked/appreciated your responses.
I'll do just that with those primers, I fortunately picked up a sweet deal Dec. 18th. on them. that's the day when all heck broke out on the online auctions for AR's and the items for it, like collasible stocks and 30rd mags

__________________
paul is offline  
 
Reply With Quote
Old 12-29-2012, 01:44 AM   #4
Moderator
FTF_MODERATOR.png
Feedback Score: 0 reviews
 
JonM's Avatar
 
Join Date: Nov 2009
Location: Rochester WI,Rochester WI
Posts: 17,190
Liked 5311 Times on 2773 Posts
Likes Given: 335

Default

just start with moderate loadings and work up in small increments.

__________________

"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith

The problem with being stupid is you cannot simply decide to stop doing dumb things...

JonM is online now  
 
Reply With Quote
Old 12-29-2012, 12:13 PM   #5
Moderator
FTF_MODERATOR.png
Feedback Score: 0 reviews
 
c3shooter's Avatar
 
Join Date: Feb 2008
Location: Third bunker on the right,Central Virginia
Posts: 16,371
Liked 8425 Times on 3654 Posts
Likes Given: 1300

Default

Yes. Hotter primers WILL make a change in pressures/ velocities. Magnum primers have a smidge of powdered aluminum, hotter flame. As the man said, strt low, work up gradually.

__________________

<--- Your Moderators at our weekly Troll Hunt

c3shooter is offline  
paul Likes This 
Reply With Quote
Old 12-30-2012, 12:27 AM   #6
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
locutus's Avatar
 
Join Date: Dec 2011
Location: Wyoming
Posts: 8,837
Liked 5191 Times on 2962 Posts
Likes Given: 4411

Default

The Remington 7 1/2 small rifle primer is MilSpec, and it's a magnum primer. I use them exclusively in 5.56X45.

CCI makes a MilSpec primer as well. Also a magnum.



__________________
"We will have peace when the Arabs love their children more than they hate us."

Golda Meier.
locutus is offline  
paul Likes This 
Reply With Quote
Reply

Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Firearms Forum Replies Last Post
What was the standard issue Swiss rifle in the 70's? RufusTFirefly General Rifle Discussion 14 11-04-2012 03:41 PM
.44 Magnum Rifle Cartridge tomkat General Rifle Discussion 12 10-15-2011 02:41 AM
Heat required to ignite standard cartridge's primer jaketodd General Handgun Discussion 2 08-15-2011 02:59 AM
Accurizing the standard AK rifle Route 66 Rambler AK & SKS Discussion 22 10-20-2009 11:38 PM
Magnum vs Regular Primer SgtStrafer Ammunition & Reloading 3 07-17-2007 11:21 PM