Slimchance
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Has anyone experienced lite strikes using CCI Magnum Small Pistol primers(550)? I have one gun that doesn't do well with these. Thanks Dave
CCI primers
- Thread starter Slimchance
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Sargeyork
Member
If you have worn firing pin springs or a reduced effort spring kit installed you want to use Federal Brand Primers for reloading or Federal Brand Ammo in that gun as they in my experience are the softest primer cups or most sensitive primer compounds and go off 100%.
I have used many CCI primers with no problems.
Qc Pistolero
Member
What is your gun?Has it been modified?How many rounds fired?What is the % of misses?Primers well seated in or any other indication that you've observed that is different from previous experience?
Qc
Qc
Hang-Fire Hank
Member
OR WW
My semi-autos set off CCI primers, but revolvers in DA won't. A rev in SA will (longer hammer travel).
WW primers will work in my revs in DA.
As stated by Sargeyork, Federal primers are the softest; therefore, the most reliable.
Hank M.
My semi-autos set off CCI primers, but revolvers in DA won't. A rev in SA will (longer hammer travel).
WW primers will work in my revs in DA.
As stated by Sargeyork, Federal primers are the softest; therefore, the most reliable.
Hank M.
I have found CCI SPPs hard to fully seat. Make sure your primers are fully seated to the bottom of the pocket.
eo1bart
Member
I've had light strikes in my Ruger GP100 with the magnum primers as well as the CCI 500 small pistol primers. It happens about 1 in 100 rounds. This is with the factory hammer spring.
twodog max
Member
I have been using CCI primers and others for decades. CCI in some brass do seem to require a slight more effort to seat correctly. I have not had and problems with FTF so long as I seated correctly and keep the strain screw all the way in. Had some problems with two 686's when the strain screws backed out on their own with all brands of primers. My revolvers are all stock factory springs.
Long story short is no, CCI has given me no problems that were not my fault or backed out strain screw.
Long story short is no, CCI has given me no problems that were not my fault or backed out strain screw.
Only problem I ever had was with a Tanfoglio TZ-75 9mm (CZ-75 clone) that gave light strikes maybe 25%, factory or handloads. That turned out to be a prob. w/the gun, not the primers. CCI 500s have done the job for me in .38, .357, .38 ACP & Super, and most 9mm, not to mention several calibers using Large Rifle. Been loading since about 1963, had maybe, MAYBE 5 duds/mis-strikes in all that time, except for the TZ.
Larry
Larry
Hard Primers
The information I gleaned from somewhere on the internet indicates that CCI primers are harder than Federal, Remington and Winchester primers with Magtech and RWS being harder than CCI.
My suggestion is to switch to Federal. If the problem goes away, then it's a primer issue. In my opinion, striker-fired pistols such as the Glock or the M&P do not deliver as much energy to the primer as a traditional hammer-fired pistol. For this reason, I'm using up my stores of CCI primers, all without incident except for a Marlin 336 chambered in .35 Rem.
I bought several thousand Wolf primers on sale and, so far, I haven't had a single issue with them. However, I'm not a competition shooter, nor do I use reloads for SD.
The information I gleaned from somewhere on the internet indicates that CCI primers are harder than Federal, Remington and Winchester primers with Magtech and RWS being harder than CCI.
My suggestion is to switch to Federal. If the problem goes away, then it's a primer issue. In my opinion, striker-fired pistols such as the Glock or the M&P do not deliver as much energy to the primer as a traditional hammer-fired pistol. For this reason, I'm using up my stores of CCI primers, all without incident except for a Marlin 336 chambered in .35 Rem.
I bought several thousand Wolf primers on sale and, so far, I haven't had a single issue with them. However, I'm not a competition shooter, nor do I use reloads for SD.
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It seems this topic surfaces several times a year with remarkable regularity as to the responses.
Just wondering, would there be any less force of the hammer in DA versus SA? I wouldn't think so, but then I've never measured. I ask, because I do own a Ruger Black Hawk 44 mag (SA only). I've used both CCI & Winchester for reloads. Never a misfire.
MichiganScott
Member
DA hammerfall is a bit shorter than SA in S&W revolvers and therefore the primer is hit with less force. The hammer force in a Blackhawk is equivalent to a barn door slamming.
Big Cholla
Member
There are times when the extra hardness of the CCI primer cup is a desirable feature. I have a .22 Rem Jet that has a larger hole thru the hammer bushing than normal. If I use a soft primer and load a little heavy I have gotten primer metal flow into that hole thereby seizing up the cylinder. So, I use CCI primers to eliminate that possibility. I have had no failures to ignite the harder primer. ....
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4barrel
Member
scooter123
Member
I have a Dan Wesson model 15-2 and it had a "reduced power" mainspring installed when I purchased it. Note, that "reduced power" mainspring produced DA trigger weight of 11.5 lbs. and in Double Action with CCI 500 primers the failure rate was 40% and with the 550 primers it was 100%. However in Single Action both times of primers worked fine, probably due to the rather long hammer fall on the Dan Wesson. Conclusion is rather obvious, the the CCI Magnum primers are indeed harder than the standard pressure primers.
Based on my experience with using Remington UMC ammunition to obtain fresh cases for reloading I believe that the UMC primers (45 ACP, and 10mm/40S&W, ) are equal to the CCI 550 primers in "hardness". Because I've had to re-tune my 610 and 625 to a DA trigger pull of 9.0 lbs. per my Lyman Digital trigger gage which matches to the weight I have my 19-3 and 620 tuned to. I'll also note that I purchased a new mainspring for my Dan Wesson and it now functions with 100% reliability and due to it's estimated 14 lbs. DA trigger I really did not notice any effect on accuracy in re-tuning my S&W revolvers from 8 to 9 lbs. DA triggers.
PS, I have some Federal primers that were purchased "just in case" but I am not a fan of the Shoe Boxes Federal uses to package their primers. My preferred primers is CCI because they take up so much less space than those shipping crates Federal uses. I would much rather increase the trigger pull by a small amount than have to bother with renting a warehouse to store 5 or 10 K of Federal primers. Yeah, I am exaggerating a bit, but it is only by a bit. You can pack almost 5000 CCI primers into the space occupied by just 1000 Federal primers.
Based on my experience with using Remington UMC ammunition to obtain fresh cases for reloading I believe that the UMC primers (45 ACP, and 10mm/40S&W, ) are equal to the CCI 550 primers in "hardness". Because I've had to re-tune my 610 and 625 to a DA trigger pull of 9.0 lbs. per my Lyman Digital trigger gage which matches to the weight I have my 19-3 and 620 tuned to. I'll also note that I purchased a new mainspring for my Dan Wesson and it now functions with 100% reliability and due to it's estimated 14 lbs. DA trigger I really did not notice any effect on accuracy in re-tuning my S&W revolvers from 8 to 9 lbs. DA triggers.
PS, I have some Federal primers that were purchased "just in case" but I am not a fan of the Shoe Boxes Federal uses to package their primers. My preferred primers is CCI because they take up so much less space than those shipping crates Federal uses. I would much rather increase the trigger pull by a small amount than have to bother with renting a warehouse to store 5 or 10 K of Federal primers. Yeah, I am exaggerating a bit, but it is only by a bit. You can pack almost 5000 CCI primers into the space occupied by just 1000 Federal primers.
4barrel
Member
I have been meaning to thank you for a comment you made on a gun part I posted a long while back. It netted me an extra $125. So thanks & Merry Christmas. You never know how you can help people.
Big Cholla
Member
Help?
What was my comment and on what part? I'm old. I can't remember much anymore..... :-(
I have been meaning to thank you for a comment you made on a gun part I posted a long while back. It netted me an extra $125. So thanks & Merry Christmas. You never know how you can help people.
What was my comment and on what part? I'm old. I can't remember much anymore..... :-(
