.45 Recipe

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.45 Recipe

Post by Flytrap1 on 1/17/2015, 5:20 pm

I have a Range Officer with a slide mounted optic and a 13 Lb. Spring. I would like to use 185 gr. Lswc bullets at 750-800 Fps. I will be using both Bullseye and unique powders.

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Re: .45 Recipe

Post by Rob Kovach on 1/17/2015, 5:40 pm

The recipe for my springfield is 3.8gr Bullseye. .468" crimp.
I don't have a chrono, but the load is accurate.  Since you don't win any awards for velocity, I didn't think it matters.
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Re: .45 Recipe

Post by Flytrap1 on 1/17/2015, 6:17 pm

Springfields custom shop mounted the optic for me and test fired it. And the was the velocity they recommended to avoid any damage to the gun.

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Re: .45 Recipe

Post by DeweyHales on 1/17/2015, 6:48 pm

With the right springs, you can use almost any load you like. Find the best group from 3.6 to 4.1 grains. Go up in recoil spring until the gun doesn't always lock open on empty. 

Now, you've found the load for your gun with that powder and bullet.
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Re: .45 Recipe

Post by Rob Kovach on 1/17/2015, 6:50 pm

What load did Springfield use when they test fired it?
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Re: .45 Recipe

Post by rreid on 1/17/2015, 9:25 pm

3.9gr bullseye gives me 765 fps from a 6" barrel.
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Re: .45 Recipe

Post by Flytrap1 on 1/18/2015, 5:09 am

springfield only said they used Federal gold match

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Re: .45 Recipe

Post by Flytrap1 on 1/18/2015, 5:12 am

They're recommendation was 185 gr. at 750-800 fps.

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Re: .45 Recipe

Post by Rob Kovach on 1/18/2015, 9:19 am

Just like Dewey said above, it's better to find the recipe that produces the best accuracy with your bullets, then increase or decrease the recoil spring to protect the gun.
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Re: .45 Recipe

Post by DavidR on 1/19/2015, 12:32 pm

I have ransomed tested many 185's lswc loads with 3.9 being the best overall, but you will most likely need to drop to a 10 or 11 spring with a slide mount dot
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