Long range pcc

[Flatland Shooter]

1 hour ago, GeneBray said:

Fat fingered velocity. 1300
 

 

Now that's a load I can learn to love!  

 

I played with some MG 121 gr IFP at 1250 fps.  Good load to 100 yards.  Others have tried it further out.

Edited August 23, 2018 by Flatland Shooter

[Neomet]

^^^^  That is a nice load.

[Neomet]

8 hours ago, sbo76 said:

But Rich practices and knows his drops!!  How are we supposed to compete with that??  

 

 

Poorly by my experience!  

[stick]

According to my Strelok program, The drop for my PCC load at 200 yards is 63.08 inches.  That was with 147gr RN going 908fps.

With my 124gr load, the drop at 200 yards is 52.05 inches.

You're going to need to have some pretty hot rounds to flatten out the trajectory

[GeneBray]

According to my Strelok program, The drop for my PCC load at 200 yards is 63.08 inches.  That was with 147gr RN going 908fps.
With my 124gr load, the drop at 200 yards is 52.05 inches.
You're going to need to have some pretty hot rounds to flatten out the trajectory

What velocity $ zero?


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[GeneBray]

What velocity $ zero?


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For 124?


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[stick]

12 minutes ago, GeneBray said:

For 124?


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124gr are 981FPS with a 25 yard zero

[Scootertheshooter]

Like I said before accuracy will be pretty bad at 200. The Bullet drop is only 1/2 the problem. Pushing it fast will help , less time in the air always helps


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[357MagAR]

I don't shoot in matches but do bench rest my AR-9s (4 of them) at 100yds.

 

My experience has been that at 50yds 1-10 twist barrels do just as well as my 1-16 twist barrel.  Loads that hover around an inch for ten shots at 50yds very rarely go under 3 inches at 100yds from my 1-10 twist barrels.  If they do it is not repeatable and always a handload, never factory.  I've had six of 10 in a ragged hole at 100yds but the other four opened the group up to almost 4 inches.

 

My cheap ($100) 1-16 twist barrel is the lightest of the bunch and if it shoots 10 shots into an inch at 50yds it will put the same load of 10 shots into 2 inches or just slightly over at 100yds.  I've done this over and over with loads as heavy as 147grs. 

 

Next I'm trying some 158s.

 

My theory is these pistol bullets aren't built with quite the same degree of precision as our rifle bullets so the overly fast spin of the 1-10 twist will always show up any imperfection in the bullets at longer ranges.  Just my observations with the 6 barrels I've been testing (over 5000 rounds this summer).  One of those barrels is on a friends AR-9 and the other is on a Ruger PC carbine.

 

If anybody is interested the most accurate factory or reloaded ammo has used Remington BJHPs (Golden Saber) and Speer Gold Dots so far.

 

[lgh]

7 hours ago, 357MagAR said:

I don't shoot in matches but do bench rest my AR-9s (4 of them) at 100yds.

357 - Do you check the drop at 100 vs zero at 50? I think that was the OP's question.

[jdk129]

Is there an optimum barrel twist for 9mm when considering shooting out to 200 yards?

 

Thanks,
Jeff

[MemphisMechanic]

17 hours ago, stick said:

124gr are 981FPS with a 25 yard zero

 

Slowpoke.

 

My 125s do 137PF (1,100ish FPS) out of my production gun. Out of a PCC they’re around 1,200.

 

[stick]

37 minutes ago, MemphisMechanic said:

 

Slowpoke.

 

My 125s do 137PF (1,100ish FPS) out of my production gun. Out of a PCC they’re around 1,200.

 

Those were my Steel challenge loads out of my Taccom ULW barrel.

My USPSA 16" PCC is actually 1054 fps

[GeneBray]

124gr are 981FPS with a 25 yard zero

Isn’t that sub minor?


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[GeneBray]

Isn’t that sub minor?


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Guess I am assuming USPSA shooting which may not be the case.


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[stick]

58 minutes ago, GeneBray said:

Isn’t that sub minor?


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121 PF  

It's my steel challenge load.  Steel Challenge doesn't have floor for PF.

[GeneBray]

121 PF  
It's my steel challenge load.  Steel Challenge doesn't have floor for PF.

Realized after my post that I was thinking through USPSA tunnel vision. I suspect that is a great, soft shooting load for steel.


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[stick]

1 minute ago, GeneBray said:

Realized after my post that I was thinking through USPSA tunnel vision. I suspect that is a great, soft shooting load for steel.


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I had it down to 115pf, but it was inconsistent, so i bumped it up.  It's pretty soft out of my Taccom ULW barrel.

[357MagAR]

On 8/24/2018 at 8:52 AM, lgh said:

357 - Do you check the drop at 100 vs zero at 50? I think that was the OP's question.

Drop from 50 to 100yds seems to average right around 3.5 - 4 inches. 

[RangerTrace]

On 8/22/2018 at 4:00 PM, Hi-Power Jack said:

9mm at 200 yards ?   That would be a hell of a trajectory.

I've shot 40 from a pistol at 250ish with 50% accuarcy.

[Nick Weidhaas]

We run .22 rimfire precision optics out to 350y +.  Taking a 9 mm out to 200 y isn’t a big deal.  Just get a good velocity and then put in your pcc specifics into a ballistic solver (many available for your phone or JBM on line).   This will give you a good starting point.  Hit the range and confirm and record your dope.  If using a red dot you will have to hold for all distances beyond your zero.  If running a quality 1-4 or the like, you could dial for the longer targets.  Hope this helps.  

Edited August 28, 2018 by Nick Weidhaas