-
ODT Gun Show & Swap Meet - May 4, 2024! - Click here for info
9mm Major
- Thread starter Slostang
- Start date
After loading and shooting 60k plus of 9 major here are a few things I can say to respond to this thread. First in a properly built 9 major gun (non-Glock) I would say the OP's starting load will not make major power factor. I would also rec'd the load be longer to feed in the gun better and provide more case volume. The additional case volume will prevent working with compressed loads that I found created a knife edge as far as power factors go. And yes small rifle primers are the correct choice. I will say my gun never showed any signs of wear and I would guess the barrel would easily go 125k before changing. I NEVER split a 9mm case. I also never left a round on the ground to prevent anyone from picking one up and somehow making it fit in their Hi-point. The only drawback I ever saw (mentioned here) was the primer pockets took a beating. To verify primers were seated okay and no loose pockets I tumbled polished all the loaded ammo, never had a failure.
have you tried any of the Vhitavouri 3n38 and 147gr? It seems to get to major power factor without exceeding specs.
I'm actually playing with that combo now. I've got my 124gr HS6 load pretty dialed in but the 147's are different for sure.
I never like running 147 grain bullets, didn't allow enough powder to be burned to operate the comp properly. There is usually a sweet spot that the gun likes. I preferred a power factor around 173 or so.
The load I'm playing with makes plenty of gas, gun stays flat as a board with 7gr of 3n38. Different recoil pulse for sure can't decide if I like it or not.
