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Mil-spec handloads. (Read 2122 times)

Brystont1

Mil-spec handloads.
« on: September 07, 2020, 09:31:26 AM »
How do you find load data to replicate Mil-spec or factory ammo? Is that even possible?

I have a good load dialed in for my 30-30 and it was a pain in the ass to find it. I’m not looking to do that with my Glock 21 and my AR. I simply want loads that I can plink with, not looking to get sub MOA loads or anything. Should I just take the middle between max and min load charges and just load them up? Or is there a better way.
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oldfart

Re: Mil-spec handloads.
« Reply #1 on: September 07, 2020, 09:50:40 AM »
I got data from my own tests in 45acp going back nearly 40 years.
If you name a particular bullet and powder, I can proably make a good suggestion  for you.
Be as specific as possible.
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What, Me Worry?

ren

Re: Mil-spec handloads.
« Reply #2 on: September 07, 2020, 10:33:23 AM »
It may be difficult to duplicate some mil loads. The best you can do is chrono some mil loads and try to replicate but be careful as the mil doesn't use off the shelf, commercially available powder. Watch your pressure signs.
One example is Mk262. I've chrono'd them at  2900 FPS. I can barely get 2750 out of 77s with RL15 and Varget - known good powders. I have no idea what powder Mk262 uses. I read some people guess that it is TAC but that is a SWAG.
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Deeds Not Words

Lihikai

Re: Mil-spec handloads.
« Reply #3 on: September 07, 2020, 12:01:25 PM »
Nosler publishes load data on their website for free: https://load-data.nosler.com/load-data/223-remington/

25gr of H335 is listed as the accuracy load for their 55gr projectile.  Nosler also tells you what the most accurate load is for different powders tested denoted by an asterisk next to the listed charge weight.  This is a good starting point for developing loads for your rifle.

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jase90

Re: Mil-spec handloads.
« Reply #4 on: September 07, 2020, 01:52:31 PM »
Quote from: Brystont1 on September 07, 2020, 09:31:26 AM
How do you find load data to replicate Mil-spec or factory ammo? Is that even possible?

I have a good load dialed in for my 30-30 and it was a pain in the ass to find it. I’m not looking to do that with my Glock 21 and my AR. I simply want loads that I can plink with, not looking to get sub MOA loads or anything. Should I just take the middle between max and min load charges and just load them up? Or is there a better way.

http://www.natoreloading.com

They don't have .45 ACP but they do have loads for getting you close or at advertised XM193 velocities with a 20" barrel depending on your powder selection. They should have 77gr data too.
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stangzilla

Re: Mil-spec handloads.
« Reply #5 on: September 08, 2020, 07:20:00 AM »
I like to reload better than milspec   ;)

just started to reload 223
using Hornady 55 grain fmj to start, also have SMK 69 grain.  going by the Hornady reloading data.  test at starting powder weight, top of powder weight, and middle of powder weight.  loaded 10 rounds each.  will test like any other reloading cartridge
I'm not worried too much about milspec.  whatever works best in my rifle is what i'm going with
« Last Edit: September 08, 2020, 07:27:57 AM by stangzilla »
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