Nemesis Lead Posted August 13, 2014 Share Posted August 13, 2014 I have a new CZ (9mm AccuShadow) on order. CZ custom tells me that CZs like short bullets. They recommended the following: A 124 grain Zero JHP loaded to 1.09 with Federal Primers. They also liked N320 as a powder, but did not recommend a charge weight (perhaps understandable). My question is......how many grains of N320 powder should I use to get to 130 PF? Please don't speculate. I am sure that someone is running this exact load in a CZ 75 SP01 since CZ Custom recommended it! Link to comment Share on other sites More sharing options...
trgt Posted August 13, 2014 Share Posted August 13, 2014 (edited) I'm 4.3gr n320 with Berry's 124 RNHB-TP @1.13 for 130 PF I believe. If you have some of the zero JHP 124, I'd be happy to load some up and test. Seems like you'll be 4.1-4.3 gr N320 depending where your gun chronos at? http://www.brianenos.com/forums/index.php?showtopic=133796 Edited August 13, 2014 by trgt Link to comment Share on other sites More sharing options...
Nemesis Lead Posted August 13, 2014 Author Share Posted August 13, 2014 Thank you! Surprised at your OAL considering all that I have read! Link to comment Share on other sites More sharing options...
trgt Posted August 13, 2014 Share Posted August 13, 2014 Berry's has a profile that let's you load longer in stock CZ than most other, part of why I use it. I can get some for you to try if you like. I did find other RN load shorter, and both FP and JHP a lot shorter Link to comment Share on other sites More sharing options...
motosapiens Posted August 13, 2014 Share Posted August 13, 2014 I'm 4.3gr n320 with Berry's 124 RNHB-TP @1.13 for 130 PF I believe. If you have some of the zero JHP 124, I'd be happy to load some up and test. Seems like you'll be 4.1-4.3 gr N320 depending where your gun chronos at? http://www.brianenos.com/forums/index.php?showtopic=133796 That seems like an awful lot of powder. I recall using 3.8 gr of n320 to get 128 pf or so, and 3.4 gr with a 147 grain bullet. I also have had no problem loading to 1.15 with normal RN bullets (extreme or berrys), but had to go to 1.08 or so with flat-nose 124's, or with xtp jhp's. I would recommend just trying the bullet in your barrel. Keep pushing it back until it plunks and comes out freely. Link to comment Share on other sites More sharing options...
trgt Posted August 13, 2014 Share Posted August 13, 2014 (edited) I'm 4.3gr n320 with Berry's 124 RNHB-TP @1.13 for 130 PF I believe. If you have some of the zero JHP 124, I'd be happy to load some up and test. Seems like you'll be 4.1-4.3 gr N320 depending where your gun chronos at? http://www.brianenos.com/forums/index.php?showtopic=133796 That seems like an awful lot of powder. I recall using 3.8 gr of n320 to get 128 pf or so, and 3.4 gr with a 147 grain bullet. I also have had no problem loading to 1.15 with normal RN bullets (extreme or berrys), but had to go to 1.08 or so with flat-nose 124's, or with xtp jhp's. I would recommend just trying the bullet in your barrel. Keep pushing it back until it plunks and comes out freely. I'll be testing again tomorrow so I can double check, thanks Motosapiens. I have in my notes that a lot of folks were 4.0 - 4.2 Edited August 13, 2014 by trgt Link to comment Share on other sites More sharing options...
Magsz Posted August 15, 2014 Share Posted August 15, 2014 4.2 grains of N320 behind a MG 124 grain HP netted 131k power factor for me. I believe i was loading them to 1.087 Link to comment Share on other sites More sharing options...
Laughingdog Posted August 15, 2014 Share Posted August 15, 2014 With any Berry's 9mm RN, you can load all the way to the max OAL for 9mm (1.169") in your gun. The same is true of the 124g Bayou Bullets RN. With the Bayou Bullets 147g, you can load to 1.135". Just be sure, if you're using a Dillon, that you use the RN insert in your seating die. The diameter of the flat point insert is larger than the diameter of the small flat point on the bullet. Between that and how deep you have to seat it, you'll have a lot of problems with crooked bullets if you use the flat point. Berry's 9mm FP bullets, Bayou 135g, and Blue Bullets (124g and their new RN 147g) require about 1.090". In my experience, bullets loaded that short end up having a lot of problems passing a case gauge. The case wall is thicker as you go lower on the case, so seating that deep can make the middle of the cartidge too wide. Though 90% or more of the time, if a short one doesn't pass for me, it's CBC or Aguila brass, especially Aguila with that crimp ring. To be specific on the increase in case gauge problems, I have maybe one in 500+ fail the case gauge when loading Berry's RN or Bayou 124g RN to 1.150". When loading Bayou 135g/147g, Berry's FP, or Blue Bullets 124g/147g, I had 8 out of 400 not pass the case gauge. So it was still faster to load them, pull those 8, and reload them with different brass than it would have taken to sort out all of the CBC and Aguila, especially since a lot of CBC and Aguila will actually pass. Link to comment Share on other sites More sharing options...
Laughingdog Posted August 15, 2014 Share Posted August 15, 2014 Also, I made a post earlier about an easy way to determine the max OAL for any particular bullet weight/profile with you gun. You can find this for a bunch of bullets in just a few minutes. http://www.brianenos.com/forums/index.php?showtopic=196723&hl= Link to comment Share on other sites More sharing options...
StevenR Posted August 16, 2014 Share Posted August 16, 2014 MG 124 JHP 1.074 4.1 gr N320 for 132 PF. Link to comment Share on other sites More sharing options...
Quack Posted August 16, 2014 Share Posted August 16, 2014 (edited) Not N320, but this is what I have for my Accu Shadow. MG 124gr JHP Fed SPP 1.095" OAL .378" crimp Mixed brass Win231/HP38 4.0gr - 125pf - 1012fps 4.1gr - 127pf - 1031fps 4.3gr - 131pf - 1058fps 4.4gr - 132pf - 1069fps 4.5gr - 135pf - 1092fps Chrono'd on July 6, 2014 73°F Edited August 16, 2014 by Quack Link to comment Share on other sites More sharing options...
pbcaster45 Posted August 18, 2014 Share Posted August 18, 2014 I wished I could find some N320! The Bar-Sto 9mm barrel in my XDm Open Pistol has a short throat so I've done quit a bit of testing at short OAL. Here's one I was using today. Bullet: Montana Gold 124 gr. JHP Powder: Hodgdon CFE Pistol 5.0 grs.Primer: Federal 100Case: FederalLOAL: 1.090 (.825 with Stoney Point)Avg. Vel.: 1108.45 fpsES: 13.84 SD: 4.58 Link to comment Share on other sites More sharing options...
Neomet Posted August 18, 2014 Share Posted August 18, 2014 And now for something completely different....... 3gr of N320 at 1.160 pushing a 160gr Bayou. This is in a Shadow. Link to comment Share on other sites More sharing options...
leadhammer Posted August 19, 2014 Share Posted August 19, 2014 (edited) Your results will vary, load at your own risk. N320 Zero JHP-c OAL 1.080" CCI small pistol primer 1/2 turn factory crimp die 4.1 grains velocity 1055 PF 131 Loaded in a Shadow. Edited August 19, 2014 by leadhammer Link to comment Share on other sites More sharing options...
zachvu Posted August 21, 2014 Share Posted August 21, 2014 Berry's has a profile that let's you load longer in stock CZ than most other, part of why I use it. I can get some for you to try if you like. I did find other RN load shorter, and both FP and JHP a lot shorter trgt is right on with this! Berry's actually had to change some of their profiles because the way the CZ throat (and some of the other newer guns) is cut. 1.060 seems to be the magic number for any of the Berry's flat points (I like the HBFP 124 the best), but there is a significant change when going to a round nose. Link to comment Share on other sites More sharing options...
zhunter Posted September 6, 2014 Share Posted September 6, 2014 (edited) First loads chrono'ed today for the CZ P-09 125 gr. RN Blue Bullet 1.1105" OAL .3785 crimp, 3.95gr. VV320 134.55 PF Mixed brass Edited September 8, 2014 by zhunter Link to comment Share on other sites More sharing options...
Magsz Posted September 8, 2014 Share Posted September 8, 2014 Z, What bullet? You left that out. You're also loading REALLY...REALLY short... Are those numbers correct? Link to comment Share on other sites More sharing options...
zhunter Posted September 8, 2014 Share Posted September 8, 2014 Z, What bullet? You left that out. You're also loading REALLY...REALLY short... Are those numbers correct? Magsz I edited my post above for omissions and incorrect numbers. Link to comment Share on other sites More sharing options...
Boyeraz Posted September 13, 2014 Share Posted September 13, 2014 Why is no buddy using 115gr bullets? Link to comment Share on other sites More sharing options...
zhunter Posted September 13, 2014 Share Posted September 13, 2014 Why is no buddy using 115gr bullets? Recoil impulse/recoil cycle speed/feel Link to comment Share on other sites More sharing options...
1SOW Posted September 18, 2014 Share Posted September 18, 2014 (edited) I load the ZERO 125gr JHP (never have seen a Zero 124gr JHP .355 9mm bullet even offered from ROZE.) 4.1 grs n320, Fed SPP at 1.098"-1.100 in a CZ 75 Shadow gets over 130 PF. It shoots soft and accurately for me in a 75B or the Shadow. This first then the MG 124gr are my preferred n320 or SR 7625 loads Angus H. posted an even lighter load as his preferred with the 125 Zero back several years ago.. Edited September 18, 2014 by 1SOW Link to comment Share on other sites More sharing options...
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