Power Pistol?
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PhillySoldier
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If i can lower it while keeping the same group sizes, then ill take the lower recoil and pressure. If it does effect the accuracy ill stay with the higher charges
I just finished working up another hundred rounds. 20 each for increments 5.1 to 5.5g.
I just finished working up another hundred rounds. 20 each for increments 5.1 to 5.5g.
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Average Joe
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I did use it for 9mm, didn't see a flash, but I shoot outdoors in daylight. I moved on to BE 86 for 9mm now days.
CZ9shooter
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That has not been my experience with PowerPistol. It likes it hot. With every jacketed bullet I have tried the accuracy went up with charge weight. The best performing handgun ammo I produce is a 124 grain XTP propelled to 1270fps in a CZ75
PhillySoldier
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Thank you. And yeah I'll bulk load whatever produces the best results but I want to at least test lower and compare first. I seem to be jumping all over in the charge weights and really need to just fill in the gap at this point and test all. I wouldve done it in larger charge increments though if that was what I was planning on from the start.
Oh well I'll fill in the gap in 0.1 increments from 5.0 to 6.5. I'll shoot it in larger increment gaps though until the results narrow that down a bit of whats working best. The rest Ill re-designate to plinking rounds.
I was pretty happy with the 6.0g shot groups (1225 fps) I shot last week and wont be disappointed if that winds up being my regular load. I'll also test a little hotter too. I stopped after testing 6.1g (1247 fps) last week not only was that near max the groupings werent as good as the 6.0g. But I'll double check that as well as try a little hotter to confirm.
And yeah I prefer 124g myself. Since I recently started ransom rest testing though I can see my sig seems to get the best groupings w 115g fmj's so far. Once I get a working load for the sig done. My CZ Shadow 2 is next on my list for testing and seeing what it mechanically likes best. What OAL you running in your CZ?
Oh well I'll fill in the gap in 0.1 increments from 5.0 to 6.5. I'll shoot it in larger increment gaps though until the results narrow that down a bit of whats working best. The rest Ill re-designate to plinking rounds.
I was pretty happy with the 6.0g shot groups (1225 fps) I shot last week and wont be disappointed if that winds up being my regular load. I'll also test a little hotter too. I stopped after testing 6.1g (1247 fps) last week not only was that near max the groupings werent as good as the 6.0g. But I'll double check that as well as try a little hotter to confirm.
And yeah I prefer 124g myself. Since I recently started ransom rest testing though I can see my sig seems to get the best groupings w 115g fmj's so far. Once I get a working load for the sig done. My CZ Shadow 2 is next on my list for testing and seeing what it mechanically likes best. What OAL you running in your CZ?
CZ9shooter
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XTPs gotta be short in a CZ barrel. I am at 1.065" which I believe is what most of the manuals recommend. I have ran them quite a bit longer though in other 9mm guns with reliable feeding.
Regular profile FMJs offer greater flexibility in regard to OAL, but I have found truncated cone type bullets to works best for me.
I was so surprised to find the shorter OAL was most accurate in my CZ. I shoot 124 gr. Have not yet done much with truncated cones.
Power Pistol was flashy for me and I settled on TiteGroup, but you need your procedures square to load it safely. at 3.x gr, you could miss a double load.
Power Pistol was flashy for me and I settled on TiteGroup, but you need your procedures square to load it safely. at 3.x gr, you could miss a double load.
Zaydok Allen
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I've heard that Power Pistol and Longshot behave nearly identically in 10mm auto. Is that true of the two powders across the board?
Dudedog
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Don't know in 10mm but in 9mm both are flashy and loud, I would give the flashy/loud prize to Longshot but PP is a close second.
Longshot is slower burning than PP even though PP seems slower (to me at least) than were most charts place it
On one of my charts PP is 34, Unique is 31, Universal 32, WSF 37, HS6 42, CFE-P 44, AA#7 52, Longshot is down at 54. On that chart 2400 is 56.
Longshot is slower burning than PP even though PP seems slower (to me at least) than were most charts place it
On one of my charts PP is 34, Unique is 31, Universal 32, WSF 37, HS6 42, CFE-P 44, AA#7 52, Longshot is down at 54. On that chart 2400 is 56.
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Power Pistol is the canister version of the powder that was developed for the Military 9mm NATO ammo contracts. It works great in the 9mm and .40 S&W that are generally high pressure and have a relative to caliber a small volume case.
I have tried it in the .45 ACP and .38 spl and don't care for it in these large capacity low pressure cartridges. The cases wind up carbon scoured and as mentioned the powder is quite flashy. Velocity out of the .45 acp and .38 spl where not exceptional and can easily be matched or exceeded with a lighter load of Unique.
I have tried it in the .45 ACP and .38 spl and don't care for it in these large capacity low pressure cartridges. The cases wind up carbon scoured and as mentioned the powder is quite flashy. Velocity out of the .45 acp and .38 spl where not exceptional and can easily be matched or exceeded with a lighter load of Unique.
Dudedog
Contributing Member
Not that it makes a difference but I wonder if Paul from Alliant could verify for us that "Power Pistol is the canister version of the powder that was developed for the Military 9mm NATO ammo contracts"
PhillySoldier
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Seems to work to well for military 
Alliant Reloading
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HPC-26 was the propellant Hercules qualified in the M882 originally, and that was a MIL-spec version of BE-84.
Toprudder
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I have not tried Unique in 38, but my observations were the same otherwise.
PhillySoldier
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I did another ladder test on Saturday. Tested everything from 5.1 to 6.6g. 5.8g w 115g FMJ's seemed the sweet spot for my gun w the best accuracy as well as being going up or down 0.1g being very close. Gonna test some varying seating depths with it next. Also I did get a chance to shoot indoor this week also and yes it has a pretty darn big flash to it. In the few powders Ive tested so far for pistols though, this has given me the best results.
PhillySoldier
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How does Power Pistol run in different temperatures from summer to winter?
Toprudder
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Good question. I have not noticed any problem, but I never load at max charge, and I typically don't shoot much in cold weather.
Dudedog
Contributing Member
One easy way to test cold (if you have a chrono) is just stick some rounds in a ziplock bag then place the bag in an ice chest for a while.
Hot is easy where I am at in the summer. Leave it in the sun for an hour and it is almost (or is) to hot to touch.
Wet tumbled bras dries fast here in the summer!
Hot is easy where I am at in the summer. Leave it in the sun for an hour and it is almost (or is) to hot to touch.
Wet tumbled bras dries fast here in the summer!
Never noticed a difference, fellow Philly guy.
Holmesburg fish and game?
PhillySoldier
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Awww Holmesburg, me old home. Not in a long time my friend. I used to live near there and worked at the Holmesburg prison back before it was closed down in the mid 90's. I remember trying for years to get in the gun club there but didnt know any members to sponsor me. I finally found someone in my reserve unit, got the sponsorship and then had an 18 month deployment overseas. I never even got the chance to shoot there since becoming a member. When I got home we relocated out into the surburbs a bit and im now out a little west of the Limerick area
Now they pretty much let everyone in, no sponsor needed. They need the membership.
Limerick is a real nice area...thank you for your service.
I live in Kensington....it’s ‘up and coming’ believe it or not lol
ConcernedCitizen
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I primarily shoot 124gr bullets these days, but for 115gr bullets I had settled on 5.7gr of Power Pistol. It was an almost perfect match for factory 115gr ammo, velocity-wise.
PhillySoldier
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Ok I finished this weekend's testing. Overall not as conclusive as I wouldve liked but a few learning points. I tested 200 rounds, 20 each (two shot groups of 10 each) at 0.01" OAL intervals from 5.6 to 1.15".
Perhaps not too much a surprise but best group was the longest OAL I tested. Since the longer 1.15" OAL had less of a velocity than the 1.12" used in my previous test, I would like to do a smaller follow up test and try testing a few more powder rungs at the new OAL.
A few points learned:
This would apply to all shooting but was definitely more pronounced while shooting from the Ransom Rest at longer distances. I can definitely see that when the slide is hand cycled - closed by sling shot or slide release - it has a different POI than the rest of the mag that auto cycles the rounds. Im using a burner round (not part of the 10 rnd shot group) and positioning to shoot off target to compensate. But thought it pretty significant the part it plays in accuracy
Again not much of a surprise but I thought this interesting on how much consistency plays a part. There were exceptions to this but I would say 95% of what was tested, I could call how tight or far from the shot group the POI would be just by looking at the chrono results.
Group sizes this week were consistent but overall larger shot group sizes then my previous powder testing. I shouldnt have done this but I used a different type of brass this week than previously. Honestly I just didnt think it would make much of a difference as long as it was all the same head stamp. In my powder test I used new Starline brass. In this weeks test I used onced fired Blazer Brass. I dont know if it was the different head stamps or the difference from new to once fired but something worth testing more in the future.
Either way Ill go back to the starline brass and repeat the top few highest OAL's. I'll do a few at the current 5.8g charge as well as a few with some varying charges.
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Perhaps not too much a surprise but best group was the longest OAL I tested. Since the longer 1.15" OAL had less of a velocity than the 1.12" used in my previous test, I would like to do a smaller follow up test and try testing a few more powder rungs at the new OAL.
A few points learned:
This would apply to all shooting but was definitely more pronounced while shooting from the Ransom Rest at longer distances. I can definitely see that when the slide is hand cycled - closed by sling shot or slide release - it has a different POI than the rest of the mag that auto cycles the rounds. Im using a burner round (not part of the 10 rnd shot group) and positioning to shoot off target to compensate. But thought it pretty significant the part it plays in accuracy
Again not much of a surprise but I thought this interesting on how much consistency plays a part. There were exceptions to this but I would say 95% of what was tested, I could call how tight or far from the shot group the POI would be just by looking at the chrono results.
Group sizes this week were consistent but overall larger shot group sizes then my previous powder testing. I shouldnt have done this but I used a different type of brass this week than previously. Honestly I just didnt think it would make much of a difference as long as it was all the same head stamp. In my powder test I used new Starline brass. In this weeks test I used onced fired Blazer Brass. I dont know if it was the different head stamps or the difference from new to once fired but something worth testing more in the future.
Either way Ill go back to the starline brass and repeat the top few highest OAL's. I'll do a few at the current 5.8g charge as well as a few with some varying charges.
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