sierra 165 gr hp

[Ballester molina]

Hi guys, how are you? I greet you from Argentina.
load 10mm with 165 gr and longshot, I don't think you can use this as a reference because the supplies are not going to be the same as you use but I wanted to do it anyway.
with a load of 8.8 gr longshot and an oal of 1260 "I got 1180fps on average.
with 9.0gr - 1210fps.
with 9.2gr - 1250fps and with 9.4gr - 1278fps,
no signs of over pressure.
Maybe I can continue uploading. what do you think?
the gun is a glock 20 gen 3 factory barrel

[The_Shadow]

Here are a few documented loads to study for 165 grain using Longshot powder

http://10mm-firearms.com/factory-10mm-ammo-pull-downs/double-tap-165gr-speer-gold-dot-jhp-intercooler-562015-pull-down/msg44551/#msg44551

http://10mm-firearms.com/factory-10mm-ammo-pull-downs/underwood-165gr-speer-tmj-pull-down/msg18484/#msg18484

[Graybeard]

I think you could safely work up a bit more. I would suggest increasing .2grs at a time until you see pressure signs or hit the velocity you're looking for. Pushing 165gr bullets over 1300fps shouldn't be a problem with Longshot.

[Ballester molina]

Thank you for your answers.
I was thinking that the speed should be between 1300fps and 1400fps. I am right?
unfortunately not available on the cci, remington, winchester, federal withering shelves.
there are only a few that are marketed under the full metal signature. made in russia.
which is why I can't experiment with that

[Graybeard]

I'm sure that you could run them that fast.

Is there a specific purpose you're after? Hunting, self defense, best accuracy, just to see what you can get out of it?

[Ballester molina]

I'm trying to develop a boar hunting charge. with that speed of 1277 fpc I achieved good precision at 25 meters. I don't know if that speed is adequate to bring down a 170-pound pig at 30-40 meters

[Graybeard]

Sounds like your options are pretty limited. I tend to prefer 180gr 10mm bullets, especially for something that could be dangerous. But since 170lb hogs aren't nearly as tough as 350-500lb hogs, you should be fine.

I understand the desire to push the velocity. You should be able to do that with Longshot safely. But I wouldn't sacrifice accuracy for another 50-75fps. Hollow points limit their penetration by expanding and adding 100fps isn't going to make that much difference. I would increase the charge 2/10ths of a grain until I got to about 1350fps, checking for signs of being over pressure, and make sure accuracy was acceptable.

I would suspect any 10mm bullet still going 1050-1100fps at 40m should get the job done. You just have to make the shot

[Ballester molina]

I also like a heavier bullet but as I said before in other posts, here in Argentina there is no availability of tips for an expansive handgun. I only got 165 jhp. I have a mold read tl 401. could I try to hunt with that boollit

[Kenk]

With the correct shot placement, the 165gr would absolutely work. I also prefer 180 - 200gr JHP's for deer hunting, but am not sure what would be best for hogs, as the only hogs we have in MN are on the farm 😀

[Graybeard]

I also like a heavier bullet but as I said before in other posts, here in Argentina there is no availability of tips for an expansive handgun. I only got 165 jhp. I have a mold read tl 401. could I try to hunt with that boollit

https://leeprecision.com/mold-dc-tl401-175swc.html This one? The 175gr cast swc is just about perfect for 170lb hogs. Even better, first shot with the 165jhp, follow up shots with the cast bullets.

[Ballester molina]

exactly that mold I have. How fast can I take it? attach a picture of our pigs

[Graybeard]

1300fps easily. Use good lube and watch your barrel for leading. I forgot that you had a G20. Polygonal rifling has a reputation for that.

[Ballester molina]

used the liquid alox LEE. one layer before resizing and another after resizing should that be enough?

[Graybeard]

Probably, but the only way to know for sure is to shoot some.

Have you considered powder coating your cast bullets? Less smoke and no leading in the barrel.

[Ballester molina]

I'm honestly considering that option. It should only be done with polyester powder paint or it can be applied with a spary gun.