AR 45 ACP Load info?
- Thread starter DDRanch
- Start date
RegionRat
Gold $$ Contributor
Do you already have powder, or are you looking at that too?
There are probably more 45 ACP recipes than just about anything else on the planet, so I would narrow that request down a little or you will be inundated with everything from A to Z.
ETA: the Hodgdon site returns 94 loads for 45 ACP + 230 for example.
There are probably more 45 ACP recipes than just about anything else on the planet, so I would narrow that request down a little or you will be inundated with everything from A to Z.
ETA: the Hodgdon site returns 94 loads for 45 ACP + 230 for example.
RegionRat
Gold $$ Contributor
Most of us run the same ammo we use in our pistols. Ammo compatibility is one of the benefits of a PCC.
You can go with say +P ammo pressure, but then the door opens for issues when the rig is tuned for one level and not the other.
Just make sure you understand the limits of your brass and how to control the tune on your action. YMMV
You can go with say +P ammo pressure, but then the door opens for issues when the rig is tuned for one level and not the other.
Just make sure you understand the limits of your brass and how to control the tune on your action. YMMV
RegionRat
Gold $$ Contributor
I will suggest you go up to about 4.7 - 4.8 of Titegroup and see what happens before you run 5.0 cause that 4.5 gr load should have worked, but that comment also depends on the bullet/barrel.
Here is what Titegroup should do in a regular pistol barrel. Pressure axis on the left, velocity on the right. Stuff like Berry's Plated rounds will run in between the FMJ and the cast.
Not sure why you got stovepipes, but you will work it out. Have fun and Good Luck!
Here is what Titegroup should do in a regular pistol barrel. Pressure axis on the left, velocity on the right. Stuff like Berry's Plated rounds will run in between the FMJ and the cast.
Not sure why you got stovepipes, but you will work it out. Have fun and Good Luck!
What length barrel do you have? I can plug some numbers into Gordon's to help determine an approximate charge based upon the maximum recommended velocity and optimal barrel time.
As for feeding, perhaps the COAL needs to be tweaked. I would also check the magazine function and it's positioning in the magwell. Which magazine brand/style are you using? Is an adapter in use, or is the lower designed for your mags?
I am not fond of X-treme's plated bullets because the plating is very thin. I would try to get the velocity as high as possible without causing the plating to come apart on firing. They claim 1500 FPS is the limit, but if I load their .30 carbine plated bullets past 1400 FPS, the jackets start coming apart when fired.
Also, be careful when crimping them. Use a light taper crimp only.
I built an AR-9 pistol with a 10.5" barrel for use with Glock magazines and it has been a ton of fun. Had a few issues while dialing in the buffer and spring but it is now 100% reliable and makes a nice home defense weapon.
Direct-blow-back AR pistols can have OOB detonations because of "bolt-bounce.
As for feeding, perhaps the COAL needs to be tweaked. I would also check the magazine function and it's positioning in the magwell. Which magazine brand/style are you using? Is an adapter in use, or is the lower designed for your mags?
I am not fond of X-treme's plated bullets because the plating is very thin. I would try to get the velocity as high as possible without causing the plating to come apart on firing. They claim 1500 FPS is the limit, but if I load their .30 carbine plated bullets past 1400 FPS, the jackets start coming apart when fired.
Also, be careful when crimping them. Use a light taper crimp only.
I built an AR-9 pistol with a 10.5" barrel for use with Glock magazines and it has been a ton of fun. Had a few issues while dialing in the buffer and spring but it is now 100% reliable and makes a nice home defense weapon.
Direct-blow-back AR pistols can have OOB detonations because of "bolt-bounce.
Ran the numbers as close as I can get with the options in GRT.
I cannot guarantee the results and except no liability. Use this info at your own risk and exercise care, please.
An 8" barrel is going to increase velocity and pressure a little.
Optimal barrel time is around 4.9 grains of Titegroup and maximum pressure is about 5.5 grains which achieves close to 1400 FPS.
I would stay closer to the lower end of this while testing and check for any signs of over-pressure after each shot before moving up in charge weight.
If it is direct blow-back, be careful the first time you fast fire the build. I suggest wearing good eye protection and gloves until you know bolt-bounce is not a problem.
I cannot guarantee the results and except no liability. Use this info at your own risk and exercise care, please.
An 8" barrel is going to increase velocity and pressure a little.
Optimal barrel time is around 4.9 grains of Titegroup and maximum pressure is about 5.5 grains which achieves close to 1400 FPS.
I would stay closer to the lower end of this while testing and check for any signs of over-pressure after each shot before moving up in charge weight.
If it is direct blow-back, be careful the first time you fast fire the build. I suggest wearing good eye protection and gloves until you know bolt-bounce is not a problem.
RegionRat
Gold $$ Contributor
Your 4.8 grains of WST should work just fine.
You tend to have more issues when it comes to very slow or very fast versions, and less trouble with more standard loads. However, you can still tune to those extremes, as in the examples of sub-sonic or +P versions.
YMMV
You tend to have more issues when it comes to very slow or very fast versions, and less trouble with more standard loads. However, you can still tune to those extremes, as in the examples of sub-sonic or +P versions.
YMMV
DocBII
Gold $$ Contributor
DDRanch,
About 6.2 of VV N-350 and WLP or WSP primers in both rifle and pistol. Very low flash, very consistent and very clean. More room in the case and for pressure if you wish to try hotter rifle loads. A buddy likes 8.2 for power, but I think it's a little hot.
HTH,
DocBII
About 6.2 of VV N-350 and WLP or WSP primers in both rifle and pistol. Very low flash, very consistent and very clean. More room in the case and for pressure if you wish to try hotter rifle loads. A buddy likes 8.2 for power, but I think it's a little hot.
HTH,
DocBII
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