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Posted By: tomt53 6mm ARC gas gun - 02/11/24
I was able to get an eight pound jug of AR Comp. I would like to make up some coyote loads using 75 V-max, 87 V-max or 90 ELDX. I have Hornady and Starline brass and CCI 450 primers. Load data for AR Comp is few and far between. Any help will be appreciated. Thanks Tom
Posted By: Seafire Re: 6mm ARC gas gun - 02/11/24
If you see data with 8208, AR Comp has been interchangeable in my experience... if that helps out any.

I see more load data around with 8208 vs AR Comp... I've used a lot of AR Comp since it came out nd have had real good success with it, in about anything I use.

You can use RL 15 load data for a reference also...at least that is how I got started. Started with a lower charge with AR Comp and just worked up.
Posted By: centershot Re: 6mm ARC gas gun - 02/19/24
I have ran a few hundred 87gr Vmax's through my 6ARC - although a bolt rifle. I have had the best luck with LVR loaded to about mid/upper loads for gas gun or low loads for bolt guns to work best in my bolt gun. 28.2 @ 2600fps in Starline brass w/ WSP has been a sweet spot in my rifle.

I did find that Starline Brass holds 1gr more H335 than Hornady Brass when filled to the top and then weighed - so not interchangeable for me.

Hornady Load info is very hot in my rifle. Anything over mid range with several powders make for stiff bolt lift and shiny spots on the brass where the ejector button sits. Factory ammo is also loaded very hot in my experience.

A fun round if you keep it loaded reasonably and let those high BC bullets do their thing.
Posted By: Koon Re: 6mm ARC gas gun - 03/08/24
I found a great load with Varget. I realize it's not AR comp, but it might worth trying. Seemed like the higher above book I went, the tighter the group. Work up your own numbers you're comfortable with, but i had a one hole groups when I was tapping the case to get the powder to fit.
I'm obviously NOT suggesting you load that hot! But i saw no signs of pressure from my gas gun with 75 grain v max
Posted By: Ghostman Re: 6mm ARC gas gun - 04/01/24
87 grain VMAX with 31.0 Lever powder produces 1/2-5/8" 5 shot groups in my AR. My ARC likes hot loads and has a tight chamber. It's fussy about shoulder bump.
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