300 BLK powders.

[opngrnd]

1-What are your go-to powders for 300 Blackout?
2-Do you usually use the same powder for Supers and Subs?

I have hundreds of the Hornady 150gr SP from promos that I can load for plinking, and may as well figure out a load to stack deep. Right now I'm eyeing H110 and Lil' Gun for Supers and CFE Black for subs.

[Ryno12]

For 150’s I use 5744. Cycles them great in a 9” but it is a little dirty. Otherwise I use CFE BLK for anything heavier.

[mack7.62]

H110 or W296 which are the same powder now is good for supers but I prefer 110/125 grain bullets.

[opngrnd]

For 150’s I use 5744. Cycles them great in a 9” but it is a little dirty. Otherwise I use CFE BLK for anything heavier.

H110 or W296 which are the same powder now is good for supers but I prefer 110/125 grain bullets.

Agreed. I'm just looking to load up 500 free bullets I have on the shelf.

Thanks. I hadn't considered 5744.

[Ryno12]

Agreed. I'm just looking to load up 500 free bullets I have on the shelf.

Thanks. I hadn't considered 5744.

What barrel length are you using?

I use the 150’s as subs in a 9” SBR. Cheap, quiet plinking.

If you have a longer barrel, you might have an issue getting the 150’s to go subsonic & cycle reliably. Obviously, supers won’t be an issue.

[yellowfin]

To date I've had the best results with subsonics with w296, and will also work on that with supers (don't have a chosen load yet). I bought some N-110 to try that to see if it'll run cleaner while performing well, no one seems to know much about it yet.

[opngrnd]

What barrel length are you using?

I use the 150’s as subs in a 9” SBR. Cheap, quiet plinking.

If you have a longer barrel, you might have an issue getting the 150’s to go subsonic & cycle reliably. Obviously, supers won’t be an issue.

10.3" I had a MUR on the shelf beside a 10" ALG rail and decided on a 10.3" barrel to clear the handguard. Probably should have done a 9" barrel.

[223to45]

Tried a few powders, but seem to like A1680 so far.

Just loaded some 150's with CFE BLK. We will see how those do.

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[texascavediver]

VV N120 & 1680

[attila.]

Since no one mentioned it yet, Shooters World Blackout (D063-02) and Socom (D063-01) are also viable options in between H110 and 1680. Socom is slightly faster burning than Blackout.

For subsonic, IMR 4198 and Reloader 7 are supposed to work, but I didn't get them to work before moving on to 1680. 1680 works great but is a bit smokier than I prefer, especially suppressed. The Shooters World Blackout is advertised as a viable subsonic and supersonic powder. I'm just hoping that it's less smoky.

Having had supersonic success with Lil'Gun and H110/W296 since the beginning, I haven't tried the Shooters World powders in 300BLK yet. One reason I got them was to try them in the mid-weight (~150 gr cast and jacketed) plinking range. Being slightly slower burning than H110, I am hoping that Shooters World Socom excels in this range.

Good luck and be safe.