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Old July 17, 2013, 10:40 AM   #1
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New Ruger Blackhawk in 45 Colt

I recently acquired a Ruger Blackhawk in 45 Colt, Bisley frame, 5.5” barrel.
I wanted to buy, but can’t find, either Tightgroup or Trail Boss.
I was looking for thoughts on using my present inventory.
I have brass and primers. I also have: Hornady 45 cal., .452”, 200 gr SWC &
Rainer 45 cal., .452”, 250 gr plated FN
Powder consists of: Unique, Bullseye, Blue Dot & SR4759
Has anyone loaded any of these possible combinations and with what results?
Thanks in advance,
Tom C.
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Old July 17, 2013, 11:12 AM   #2
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I picked up the convertable .45 Auto/.45 Colt Blackhawk last fall, and have been using some of my pile of 200 grain .451-452" LSWC and plated SWC I had for my 1911's with 4.5 grains of Titegroup, as well as some Trailboss, but can't remember the powder charge off the top if my head.

They are just plinking loads as my brass supply is a bit low for the .45 Colt, but they are fairly accurate (minute of soda can at 40'), and low enough recoil the nieces and nephews shoot them without complaint.
Not a lot if help as you don't have those powders, I know.

I have some Red Dot, and Bullsye loads I want to try, but everything is packed up to move, so it will be a while before I get to load them.
The answer to 1984 is 1776
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Old July 17, 2013, 12:10 PM   #3
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With 250-255 grain bullets I use 9.5 grains of Unique in My Ruger Vaquero. That's an absolute maximum load or slightly over for some revolvers but more like a starting load for a Blackhawk. Velocity will run near 1,000 fps with fine accuracy.
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Old July 17, 2013, 12:40 PM   #4
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Blue Dot and 250g Luad RNFP bullets

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Old July 17, 2013, 02:44 PM   #5
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Unique and .45 Colt go together like bread and butter. 8.0g to 8.5g under 250-255g bullet (SWC, RNFP, plated) works great. I've never shot anything lighter than 250g in my .45 Colt revolvers.
A clinger. When guns are outlawed, only outlaws will have guns. Single Action .45 Colt (Sometimes improperly referred to by its alias as the .45 'Long' Colt or .45LC). Don't leave home without it. Ok.... the .44Spec is growing on me ... but the .45 Colt is still king.
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Old July 18, 2013, 10:58 PM   #6
David Bachelder
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!!!!!! Ruger Blackhawk or equal only !!!!!!


260 grain RN cast bullet
H110 @ 23 grains
Large Pistol Primer

Barks like a junkyard dog and kicks like a mule.

I like it.
David Bachelder
Trinity, Texas
I load, 9mm Luger, 38 and 40 S&W, 38 Special, 357Magnum, 45ACP, 45 Colt, 223, 300 AAC, 243 and 30-06
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Old July 19, 2013, 03:31 AM   #7
Mike / Tx
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Mine is in a Redhawk version, but I still keep things on the mild side. I found out very early that with this particular caliber, and weights normally used, you don't have to push things to achieve greatness.

I have tried bullets from 200 up through just over 300 in mine. To date I haven't found anything which didn't shoot to acceptable levels, and most shot great. Of the powders you have listed I would give the Unique a try. I have used it along with HS-6, AA-5,7,& 9, 2400, and probably one or two I have forgotten about. Of them all HS-6, AA-7 and Unique get the majority of loads.

Do a search on the net for 45 Colt loads and you will find a ton of info. Look at the writings of John Linebaugh, John Taffin, and Glen Fryxell among others.

Don't try and load to top end loads, they aren't needed and could very well ruin a fine revolver. Just stick to the standard loads listed at or under 1000fps and you should be fine. If you feel the need to go higher invest in a 44 or 454. The 45 Colt has been around for as long as it has shooting mundane loads which take care of business, and doing a fine job of it.
Mike / TX
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Old July 19, 2013, 04:44 AM   #8
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Your refrences to Titegroup and Trail Boss sugguest an intrest in light loads. Of your powders on hand you can use Bullseye , and load down as light as gives good accuraccy.

Unique is the classic powder for .45LC , working well from moderatly light to moderately heavy. 8.0 to 8.5gr will duplicate ( non-cowboy ) factory loads. 10.0gr used to be considered a Manly Man load giving +/- 1000fps , but modern pressure testing shows that pressures are higher than origionally thought, and definatly fall into "Ruger Only" catagory.

For Ruger Only on purpose 4759 is not well known , but Speer did list loads for it , and people who have tried it swear by it.
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Old July 19, 2013, 07:40 PM   #9
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The Blackhawk and the new model blackhawk are not the same when loading heavy ruger only loads. The new model cannot take the real top of the pile of heavy loads, so if your's says new model don't try the heaviest loads.
For 250 or 255 gr lead, Blue Dot 10.5--11.5, I've had best accuracy with 11.3, for Unique 6.0--7.5, I've had best accuracy with 6.4, Bullseye 4.9--6.4 and best accuracy with 5.3. These #'s are for plinking for targets, not heavy ruger loads. Charlie
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Old July 19, 2013, 07:41 PM   #10
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I've used Unique, Blue Dot, Universal and Trail Boss on 230-255 grain bullets and H110 on 300-350 grain bullets. Trail Boss was very pleasant to shoot and accurate. Universal and Unique were good performers with Universal being cleaner. The Blue Dot load was a moderate load so recoil was more noticeable and it was pretty dirty. The H110 loads were at the top end of .45 Colt loads, though recoil wasn't as bad as expected and they were very clean. For a Sunday afternoon at the range, I would stick with Trail Boss, Universal and Unique, and stay in the 850 to 950 fps range.
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Old July 19, 2013, 09:00 PM   #11
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+1 "Unique and .45 Colt go together like bread and butter. 8.0g to 8.5g under 250-255g bullet" It is my go to load for plinking.
We know exactly where one cow with Mad-cow-disease is located, among the millions and millions of cows in America, but we haven't got a clue where thousands of illegal immigrants and terrorists are
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