Small primer 45acp with problems

5.4 gr is actually below start charge for 185 gr SWC bullet. OP needs to increase powder charge. I think testing 5.5/5.6/5.7/5.8 gr should identify which charge will reliably cycle the slide and extract/eject spent cases.
  • 45ACP 185 gr MBC LSWC W231/HP-38 COL 1.245" Start 5.6 gr (897 fps) - Max 6.3 gr (1,001 fps)
I think if OP tests these loads, we will have much better idea whether the problem is not enough powder charge or something else. ;)
 
The amount of fouling necessary to cause a 1911 to choke as you describe would be epic.
I'll admit the gun is a bit dirty, but not "epically fouled". All my other reloads fed, fired, and ejected just fine the same day I had the problem.
dual recoil springs, bull barrels,
This gun has both.
Perhaps there is an issue with your pistol's extractor tension or ejector.
I don't think so, except for my Fiocchi loads my brass was ejecting at 3-4 O'clock very consistently, and landing about 6-8 feet away. This was observed by my buddy who was with me that day.
The obvious possiblity is your powder charge was thrown short of what you think it was. You may have under-loaded that ammo
I have weighed every charge since I started reloading five years ago, and these were no exception. I always check and level the scale before using .
Especially if you have a heavier than standard recoil spring, coupled with an under-charged round, in a bastardized 1911-based pistol ejection may be limp.
Standard weight springs in the gun.

chris
 
Assuming you are using once-fired factory brass, the factory-loaded ammo worked the first time, so the SPP and brass should work for subsequent loadings.
This brass has been loaded once, possibly twice, and you are 100% correct in that it should work. My loads are too light.

chris
 
PS. Whoever decided that SPP .45 ACP brass would be a good idea, should be tarred and feathered,
We have a lot of folks shooting that locally because SPP is so much easier to find. Lots of folks also kicking themselves for throwing SPP cases away. Not having to change the priming system on my press made it very easy to I load 500 for a match this last weekend.

I have about 5k SPP .45ACP Blazer cases, not even counting the Federal or CCI cases I have on hand. The other advantage of loading SPP in these cases is that it doesn't require as heavy and hammer/striker hit to set off
 

Due to the primer shortage and some confusion on primers in another thread, I did a little research and came up with this info from the SKSboards site. I thought it would be helpful here...

PRIMER CHART & REFERENCE GUIDE

Small Handgun Standard .017" cup thickness
CCI 500
Federal 100
- Has a soft cup - good to use if hammer strike is light.
Federal 100M - Match version of above
Magtech PR-SP
Magtech PR-SPC
- Lead-free "Clean Range" primer for indoor ranges etc.
Remington 1 ½
RWS 4031
Winchester WSP
Wolf/Tula Small Pistol SP #KVB-9
- brass cup - "For Standard Pistol loads"
Wolf/Tula Small Pistol #KVB-9SP - "For 9×19 NATO cartridges"
Wolf/Tula Small Pistol #KVB-9S - "For Sporting Pistol loads"

Small Handgun Magnum .017" cup thickness
CCI 550 See Note 1 at the bottom of page
Federal 200
Federal 200M
- Match version of above
Magtech PR-SPM
Remington 5 ½
RWS 4047
Winchester WSPM
Wolf/Tula Small Pistol Magnum SPM #KVB-9M
- brass cup - "For Magnum Pistol loads"

Large Handgun Standard .020" cup thickness
CCI 300
Federal 150
- Has a thinner cup
Magtech PR-LP
Remington 2 ½
RWS 5337
Winchester WLP
Wolf/Tula Large Pistol LP #KVB-45
- brass cup - "For Standard Pistol loads"

Large Handgun Magnum .020" cup thickness
CCI 350
Federal 155
Wolf/Tula Large Pistol Magnum LPM #KVB-45M
- brass cup - For Magnum Pistol loads

Small Rifle Standard
CCI 400 -thin .020" cup, not recommended for AR15 use by CCI/Speer. Good for .22 Hornet, .30 Carbine. See Note 1 at the bottom of the page
CCI BR4 - match primer with a thicker .025" cup.
Federal 205 - Mil-Spec cup thickness according to Federal - okay for 5.56mm. .0225" cup thickness.
Federal 205M - same as the 205 but the match version.
Magtech PR-SR - .025" cup thickness (not much feedback yet on this new primer as to AR15 suitability but with the same cup thickness as the Rem 7 1/2 it looks good so far)
Remington 6 ½ - thin .020" cup, intended for older, lower pressure rounds Remington says do not use for the .223 Rem or other similar pressure rounds. Good for .22 Hornet, .30 Carbine.
Remington 7 ½ BR - A match or "bench rest" primer. Lyman & Nosler classify this primer as a Standard. Remington says the compound is the same as the 6 1/2 but with a thicker .025" cup.
RWS 4033
Winchester WSR
- some piercing issues noted when changed from silver to brass cup. Cup thickness is a bit thinner at .021". Most say they are good to go for the AR15 despite that, probably because of the hardness of the cup. Some feel they are less resistant to higher pressures.
Wolf/Tula Small Rifle SR #KVB-223 - soft, sensitive copper cup, not recommended for AR15/military rifle use or high pressure rounds.

Small Rifle Magnum
CCI 450 - same thicker .025" cup as the BR4 and #41.
CCI #41 - commercial version of the fully-qualified DOD primer for use in U.S. military ammo. With this primer there is more 'distance' between the tip of the anvil and the bottom of the cup than with other CCI SR primers. .025" thick cup. Same primer mix as CCI 450.
Remington 7 ½ BR - A match or "bench rest" primer. Hornady, Handloads.com, and Chuck Hawks classify this primer as a Magnum, differing from other sources that classify it as a Standard. .025" cup thickness.
Wolf/Tula Small Rifle Magnum SRM - hard, less sensitive brass cup intended for AR15/military rifle and high pressure rounds - #KVВ-5,56M.
Wolf/Tula Small Rifle 223 SR223 - #KVB-223M "This is the newest primer available in the Wolf line. It is ever so slightly hotter than the small rifle magnum primer and it comes with a brass colored thick cup. This primer can be used in place of the SRM primer or used when a different powder is used that is hard to ignite."

Large Rifle Standard
CCI 200 - mild in brisance. Hard enough for use in semi-automatics.
CCI BR2 - same as the 200 but the match version. Hard enough for use in semi-automatics.
Federal 210 - medium brisance between CCI/Remington & Winchester. Do not use in semi-automatics.
Federal 210M - match version of the above primer. Do not use in semi-automatics.
Magtech PR-LR
Remington 9 ½
- mild in brisance.
RWS 5341
Winchester WLR
- the hottest standard primer. Hard enough for use in semi-automatics.
Wolf/Tula Large Rifle LR #KVB-7 - all brass - "For Standard Rifle loads".
Wolf/Tula Large Rifle #KVB-7,62 - "For 7,62 NATO cartridges"

Wolf/Tula primers are used by noted match shooter David Tubbs who says: "Be sure they are seated into the case - if not they can be hard to ignite. Russian primers use a different sinoxide compound (closer to the European type), which, in my testing, consistently delivers better extreme spreads over Federal..." Hard enough for use in semi-automatics.

Large Rifle Magnum
CCI 250
CCI #34
- commercial version of the fully-qualified DOD primer for use in U.S. military ammo.
Federal 215 - original magnum primer
Remington 9 ½ M - mildest magnum primer.
RWS 5333
Winchester WLRM
Wolf/Tula Large Rifle Magnum LRM #KVB-7M
- all brass - "For Magnum Rifle loads".

50 BMG
CCI #35 - commercial version of the fully-qualified DOD primer for use in U.S. military ammo.
Winchester 8312
Wolf/Tula 50 Cal Machine Gun #KVB-50
- For 50 Browning Machine Gun

Primers recommended for use in .223 Rem/5.56 semiautomatic rifle loads:

CCI #41, 450, BR4 (#41 & 450 good with ball powder)
Federal 205, 205M
Remington 7 1/2 BR (good with ball powder)
Winchester WSR (good with ball powder)
Wolf SRM (good with ball powder)
Wolf SR223 (hotter than SRM - great with ball powder)

Primers recommended for use in .308 Win/7.62x51/7.62x39 semiautomatic rifle loads:

CCI #34, 200, BR2, CCI 250
Winchester WLR, WLRM (good with ball powder)
Wolf LR

WOLF/TULA PRIMER APPLICATION CHART FOR ALL PRIMERS - http://www.mpzflame.ru/production/primers/
Wolf and Tula are two of the common U.S. marketing names of primers made by Murom (OJSC «Murom Apparatus Producing plant» "For many years, our constant partners are «The Tula Cartridge Works», «Barnaul Cartridge Plant» and others.").

##################################################################################

NOTE 1: According to Speer/CCI Technical Services - Both the CCI 550 Small Pistol Magnum and CCI 400 Small Rifle primers are identical in size. Both primers use the same cup metal and share the same cup thickness. Both primers use the same primer compound formula and same amount of primer compound. They can be used interchangeably.
 
We have a lot of folks shooting that locally because SPP is so much easier to find. Lots of folks also kicking themselves for throwing SPP cases away. Not having to change the priming system on my press made it very easy to I load 500 for a match this last weekend.

I have about 5k SPP .45ACP Blazer cases, not even counting the Federal or CCI cases I have on hand. The other advantage of loading SPP in these cases is that it doesn't require as heavy and hammer/striker hit to set off
Everyone is smarter than John Browning
 
Everyone is smarter than John Browning
That has nothing to do with it. I don’t collect SP .45 cases because I have buckets of LP .45 cases.

But other folks have legitimate reasons for liking and using SP .45 cases.
 
That has nothing to do with it. I don’t collect SP .45 cases because I have buckets of LP .45 cases.

But other folks have legitimate reasons for liking and using SP .45 cases.
I gave away all of my SP cases to a member here who couldn’t get large pistol primers. I didn’t have any problems with my usual loads. I always start with a known good starting load when I change a component and I ended up working right back to my normal load in each bullet/powder with SP cases. I gave them away because somebody else needed them more than me. Not because they didn’t work.
 
FWIW, when I had problem igniting a particular lot of Tula SP that had harder cups, they ignited 100% in 45ACP cases with small primers.

When life gives you lemons, you make lemonade. 👍
And when life gives you limes you find somebody whose life has given them gin and make Gimlets.
The glass is always full; only the proportion of air to liquid varies and it’s very easy to reapportion.
 
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