RickyBaby

I have two Glock 34 gen4, one with a slide mount and the other an SJC frame mount, there is a WORLD of difference! The dot on the slide moves back and forth, so you lose the dot for that time and then have to re-acquire it. On the frame mount you never lose it, it doesn'tmove back and forth, it is the perfect setup for speed and not losing the dot in transitions.

I also shoot a Glock 34 g4 with kkm barrel that I had Magnaported plus an 11 port SJC compensator and a SJC frame mounted optic, It shoots nice and level. However, I shoot precision Delta 115gr with 10.6gr of Major Pistol from Shooters World at 1.150 oal seems to be the best groups with PF 173. It has tons of gas and extremely clean burning. I also use from time to time Vihtavuori 3N38 9.1gr at 1.160 for PF 171. I also use the Lab Radar otherwise it would be very dangerous to shoot at these levels not knowing your velocities. Therefore, I also invested in Quickload inorder to get the rest of the story about pressures, muzzle gas force, recoil, ballistic efficacy etc before you select a powder and after as well. I also recommend for you to shoot your range brass after you sort them by head stamp, time consuming but worth it for matches.

It is, according to my testing and others. Chrono shows CFE slightly more energetic than wac, 572 is by itself. I have not found a powder similar yet.

Thanks for that info. That's amazing. I would not have known. So iced is 7-12pf stronger or 60-90 fps faster with 30 degree difference.

I haven't shot this alot, just testing indoors. I get better results with AA#7 and vv3n38

I am using a 5.1" kkm barrel, no holes and am also using precision Delta's 124gr jhp and w572 @ 1.150. I am getting with 6.6grs pf 168 sd 13 es 31. 6.7grs gives me pf 170.8 sd 13 es 32. 6.8 gives me pf 172 sd 19 es 46. Maybe your Chrono needs new batteries or calibration. I am using a LabRadar.

You guys in this forum know a crap load of critical information. I Appreciate finding these little nuggets of wisdom and knowledge throughout BE forum. Idescribe posts about the bow-wave effect of trans-sonic speeds and how it can affect accuracy. The 147gr at major pf falls right in this trans-sonic range. Brilliant Idescribe, just brilliant. Makes a ton of sense.

Any updates on 572?

So keepkool, it's been almost 4 years since you got some slower powders. What did you find out? I am about to do the same as you with the same gun. So any info you can provide the better.