Thread: 300 blackout

Originally Posted by MB

Just out of interest, do you think the more easily obtainable and cheaper typical FMJ 200+ gr subsonic 300BLK ammo would work for what you do?

Subx just gives a little more margin for failure

My tikka 308 barrel and Brno 308 both probably wouldn’t stabilise the 200gr range as they are 1-10 twist so I couldn’t go heavier than the 165 ballistic tips I was using that were left overs essentially as they are too expensive to use to get fmj performance

Either way a cast lead projectile like the 151s Robert sells are perfect as everything exits and more energy into the environment behind them helps nothing

All the 300blk offers over subsonic 22lr is penitration
And it seems to smash bone and things that would stop the 22lr wth ease

So long story short I haven’t tried them but don’t see them as any better than the 165s that would zip right thru anyway




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