finalized my load for plinking today...
8.5" pistol length 1:7 barrel
carbine buffer/spring
cool 55 degrees out, no breeze
Hornady 150gr FMJ-BT #3037
H110 16.1gr
COAL 2.180
Min-1763 Max-1826 Avg-1794
Shot a group of 2.076" @ 100yrds, front rail was supported, rear was shouldered. did use a crappy scope on a marginal mount... noticed when I reset the trigger I would see a shift in the crosshairs thru the scope! need to investigate that, but it's a $99 scope I'm using until my Vortex 4-16FFP shows up (for my .308 - a red dot lives on the 300BLK)
Also tested some M80 147gr loads, and seemed the 16.1gr of H110 also worked the best for accuracy.
Time to mass produce some plinking ammo!
Share your 300 Blackout Loads here>
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Re: Share your 300 Blackout Loads here>
"you can never have too may guns" - my wife's comment
Re: Share your 300 Blackout Loads here>
208gr Amaxbearman wrote:Sub 208 amax load for a 8.2 inch Noveske upper? Any help would be appreciated.
10.7gr Accurate 1680
CCI #41 Primers
2.120 OAL
Functions 100% (cycling & BHO) suppressed or unsuppressed in my 8.2" Noveske. I'm using a milspec carbine buffer spring and an H2 buffer. I also use the same load for Hornady 208gr BTHP Match bullets.
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Re: Share your 300 Blackout Loads here>
10.2 A5744 functions great out of my 91/2 KAK barrel, at the lake now but will post all data and pm you pic of 50 yd target, was shot suppressed 7.62 YHM can.
Re: Share your 300 Blackout Loads here>
9" AAC Upper 1:7 (pistol length gas system) on a pistol lower.
My loads:
Supersonic
110gr VMAX, LC cases, WSR primers, COAL 2.05, 20 grs H110, 2256 fps
130gr Hornady SP, LC cases, WSR primers, COAL 2.10, 19 grs H110, 2085 fps
Subsonic
208 Hornady HPBT, LC cases, WSR primers, 2.25 COAL, 8.2 grs H110, 1042 Fps Suppressed
I laddered from 7.8 grs to 8.6 graines of H110. FPS 927 to 1086 . All cycled fine. Only issue was that it would not always lock the bolt back on last round. I cannot find A1680 or other powder for the sub loads so I tried the H110. Good enough for me!
My loads:
Supersonic
110gr VMAX, LC cases, WSR primers, COAL 2.05, 20 grs H110, 2256 fps
130gr Hornady SP, LC cases, WSR primers, COAL 2.10, 19 grs H110, 2085 fps
Subsonic
208 Hornady HPBT, LC cases, WSR primers, 2.25 COAL, 8.2 grs H110, 1042 Fps Suppressed
I laddered from 7.8 grs to 8.6 graines of H110. FPS 927 to 1086 . All cycled fine. Only issue was that it would not always lock the bolt back on last round. I cannot find A1680 or other powder for the sub loads so I tried the H110. Good enough for me!
Re: Share your 300 Blackout Loads here>
45 pages, eyeballs bleeding, but I found good starting data for N110 subs.
Thanks to all!!!!
Thanks to all!!!!
Re: Share your 300 Blackout Loads here>
leatherman wrote:10.2 A5744 functions great out of my 91/2 KAK barrel, at the lake now but will post all data and pm you pic of 50 yd target, was shot suppressed 7.62 YHM can.
Well, it's been 3 years and I'm still wondering what bullet this is for
Oh well, thanks (I guess?)
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