300BlkTalk

All things 300 AAC BLACKOUT
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PostPosted: Thu Jan 10, 2019 2:55 pm 
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Silent But Deadly
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Joined: Fri Oct 30, 2009 7:03 am
Posts: 2948
Location: East Tennessee
Something that has intrigued me for a while is certain loads that seem to shoot well in almost every type of gun they are shot out of. Federal Gold Medal Match is an example and they have always shot better than any other factory ammunition as well as out shoot most hand loads. A well established accurate load for 223 is 24.5-24.7 grains of Varget under a 69g bullet. I know it has shot better than almost any other out of ever 223 rifle I own. I have read about that recipe for a very long time.

And because these loads work well in most guns it seems like it is the load itself more so than what gun.

I think it would be great if we can figure out a couple of loads that seem to work in everything.

Post three things about your most accurate hand load.
1. Bullet weight and type
2. Powder charge, type and weight
3. Overall length of cartridge


I think if we have too many other specifics we will have just too many variables to try to figure out an optimal load.

I have a 16" Encore, a 10" Contender, a 16" Savage rifle, a 3.5" bolt action pistol and an 8.5" AR all in 300 Blackout so I could easily test once there seems to be a patter emerging.

Please, before using any data here, verify it against published data before shooting.


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PostPosted: Thu Jan 10, 2019 9:33 pm 
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Silent But Deadly

Joined: Fri Aug 03, 2012 11:43 pm
Posts: 1403
Location: Aurora, CO
125 gr Speer TNT #1986
17.7 gr 300-MP Powder Rem 7 1/2 primer
2.075 COAL


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PostPosted: Fri Jan 11, 2019 3:35 pm 
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Silent But Deadly

Joined: Sat Apr 11, 2015 6:45 pm
Posts: 163
110 Vmax, 18.0 gr IMR 4227, 2.040"
125 TNT, 17.2 gr H110, 2.070"

Also decent results with N110, N120.


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PostPosted: Fri Jan 11, 2019 9:49 pm 
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Silent But Deadly

Joined: Sun Aug 09, 2015 3:52 pm
Posts: 292
Location: Wyoming
110 gr Barnes Tac-TX all copper flat base ballistic tip
(all copper minus the plastic tip)

20.8 gr Hodgdon H110. (.6 gr OVER. Listed MAX)

20.2 gr was my next best

2.250" COAL

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Last edited by ThreeHundredBlackout on Sun Jan 13, 2019 1:14 am, edited 1 time in total.

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PostPosted: Sat Jan 12, 2019 1:04 am 
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Silent But Deadly
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Joined: Fri Oct 30, 2009 7:03 am
Posts: 2948
Location: East Tennessee
168 grain Polymer tipped Hornady
8 grains of IMR 4227
2.283 OAL

It is a subsonic load but shoots extremely well for me. I will be adding more subsonic loads as I can.


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PostPosted: Sat Jan 12, 2019 10:42 am 
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Silent But Deadly

Joined: Mon Oct 17, 2011 8:09 am
Posts: 1199
Location: NW Florida
Barnes 110gr black tip
20.0gr H110
2.25" OAL

Accurate in many of my rifles. Mild crimp with Lee crimp die. (My Ruger Takedown SR556 in Blackout does prefer 20.1gr H110, but will give "OK" accuracy with the 20.0gr H110 load). CCI 400 primers are used in all but the above Ruger...it prefers the Wolf/Tula KVB223M primers (similar to CCI 41's).


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PostPosted: Sat Jan 12, 2019 2:46 pm 
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Silent But Deadly
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Joined: Fri Oct 30, 2009 7:03 am
Posts: 2948
Location: East Tennessee
212 Hornady ELD
7.0 grains of Vihtavouri N105
2.320" OAL


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PostPosted: Sat Jan 12, 2019 5:40 pm 
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Silent But Deadly

Joined: Sat Apr 11, 2015 6:45 pm
Posts: 163
Pistol Sub 8"
208 Tipped Hornady, 8.4gr N110, 2.250"
220 SMK, 9.0gr N110, 2.230"


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PostPosted: Sat Jan 12, 2019 6:17 pm 
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Silent But Deadly
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Joined: Sun Sep 15, 2013 6:34 pm
Posts: 2338
Location: Texas Gulf Coast
175 SMK
6.6 gr. Blue Dot
2.275" COAL


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PostPosted: Thu Jan 17, 2019 4:46 pm 
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Member

Joined: Wed Feb 20, 2013 7:17 pm
Posts: 20
125 speer tnt
19.0 mp300
2.075.
cycles great


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