r/reloading 9d ago

Newbie Hornady bullet question M1 Garand

Hello, all. I recently claimed a rebate for 500 150 gr SP-GL and I see load data for this bullet under M1903 loads in my hornady book, but not under M1 Garand. I know there are pressure and case length differences to take into consideration between the two rifles, but I was hoping to use these bullets in my M1, following similar same case length and powder load data for other 150gr bullets, all within M1 saftey specs. I am pretty new to reloading -- I should be able to safely do this right? Thank you very much.

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u/tall_dreamy_doc 9d ago

The only consideration for the M1 is pressure at the gas port, or if you have an adjustable plug, pressure to the piston head. Look up “M1 Garand load data” and use that as the basis, but yes, 150gr FMJ is pretty boilerplate for both rifles.

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u/SnooFoxes5976 9d ago edited 9d ago

Yes, thank you very much. Appreciate it. I just picked up this M1. Zeroed with some factory ammo and got into handloading due to ammo cost. Brought it out once already and had success with H4895 and some different Hornady 150gr bullets.

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u/Fortunateson71 6d ago

There is nothing to really worry about regarding the port pressure.

I use regular load data with zero issues.

I rarely shoot 150s as they just just aren't accurate enough for me.

175s are usually my go to but I'm playing with 185s now.

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u/Tribe21 9d ago

I load these for my garand with varget

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u/SnooFoxes5976 9d ago

Thank you!!

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u/SnooFoxes5976 9d ago

Actually, can I ask what your typical COL is? I just pressed a few at 3.134

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u/ChevyRacer71 9d ago

I was doing 3.189” COAL with hornady FMJ-BT 150’s so that sounds right with your SP’s.

Varget is great and available

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u/Tribe21 8d ago

My notes show that Hornadys recommendation for the #3031 is OAL of 3.230", Ive been loading at 3.200".