.223/5.56 load development

Scout_honor · Wednesday at 5:35 AM

I am getting into reloading for my AR and trying to figure out where to begin with load development. I'm aiming for accuracy over speed, maybe some 69-77 grain pills, is there any tip for a newbie trying not to blow himself up or waste components?

Laser eyes · Thursday at 5:38 PM

Don't blow up your rifle, that’s bad for recoil management, stick to the middle of the load data, and ladder test in 0.2-grain increments, your AR's throat depth will dictate your OAL/CBTO

xunit13 · 2025-10-10T19:39:35-0400

Why so heavy of a bullet. What you gonna shoot.

wapakfred · 2025-10-11T06:23:13-0400

I'd check one (or more) of the current reloading manuals. The current Sierra, Speer, and Hornady manuals all have separate (from .223) loading data for that caliber in AR style rifles. Others may have as well, I only looked at those three.

Longwalk · 2025-10-11T11:18:24-0400

What is your barrels rate of twist to shoot that heavy of bullet? And what kind of distance are you going to shoot 100, 200 300 yds. Scoped or open sights?

.223/5.56 load development

Scout_honor

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Laser eyes

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xunit13

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wapakfred

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Longwalk

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