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  #1  
Old 05-12-2009, 08:31 PM
skurvy skurvy is offline
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Subsonic load data for 10.5" SBR?

Using a 168 grain bullet and my available powders are #9, #1680, and Enforcer.
I'm thinking of starting with 8.2gn of #9, 10.5gn of #1680, and 8.4gn of Enforcer but I'd like some experienced opinions.
Seems like most subsonic data is for the 220+ grain bullets.
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  #2  
Old 05-12-2009, 09:59 PM
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Malaga Malaga is offline
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I have just loaded 50 of the 168's w/8.1 grains of AA#9 and will try out tomorrow. I loaded the heads backwards to see how they perform...will let you know...

Last edited by Malaga; 05-13-2009 at 10:01 PM.
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Old 05-12-2009, 11:35 PM
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amafrank amafrank is offline
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is it really possible to load them head first???? One would think the rim would be too wide to fit in the chamber.....or were you referring to bullets which is an accepted term for the pointy thing loaded into the cartridge case mouth.

Just checking
Frank
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Old 05-13-2009, 09:21 AM
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Malaga Malaga is offline
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I loaded the heads backwards...

The use of the plural "heads" should suggest that I was referring to the "pointy things" :)
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  #5  
Old 05-13-2009, 05:57 PM
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Malaga Malaga is offline
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Ok ... loaded the pointy thingies (168 grain) backwards.. shooting through a 10" SBR'd contender.. 8.1 grains of AA#9. About 70 degrees.. no appreciable wind.. chrono'd without suppressor...

(1) 1072
(2) 1081
(3) 1090
(4) 1085
(5) 1064

Second string

(1) 1043
(2) 1061
(3) 1088
(4) 1071
(5) 1072

Last string with AWC Thundertrap...

(1) 1066
(2) 1080
(3) 1111
(4) 1110
(5) 1089

May drop this to 7.9 grains...223 Brass fireformed to the Contender...the huge disappointment was CCI BR-4 benchrest small rifle primers. This was a brand new box (bought 1000) and out of 26 bullets 10 failed to fire even after two attempts. All primers appear to have very solid hits...will try some on by CZ527....
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  #6  
Old 05-14-2009, 10:34 AM
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amafrank amafrank is offline
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Quote:
Originally Posted by Malaga View Post
I loaded the heads backwards...

The use of the plural "heads" should suggest that I was referring to the "pointy things" :)
I see that but since each round has a case head and multiples would be plural its still a bit vague....
Not trying to be a troublemaker or english teacher idiot....though I may be both. I find in doing a lot of gunshows that the folks who refer to "bullet heads, bullet tips, tips or heads" also tend to be the ones that I'd be afraid to have shooting anywhere near me on a range or off. They are also the ones who call every AK semi an AK47 and think all of them are machineguns.
Does it make a big difference in the grand scheme of things???? Probably not.
I'm not sure why it bugs me and maybe I'm just a bit too uptight and proper.
Do as you will and call them what you want. I won't trouble you anymore about it......

Frank
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  #7  
Old 05-15-2009, 12:27 AM
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Malaga Malaga is offline
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Frank... it bothers me not that you are uptight or not uptight. You injected yourself in a self absorbed way into a thread that you were not contributing any real info to...
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