Originally Posted by
dacaur
No 300 blk has many downsides, the worst of which is sad ballistics. Compared to other .30 cal cartridges. I guess 30 carbine is worse, but thats about it, other than that, its at the very bottom of the heap. So how do you feel about the 7.62x39? That's basically what you're getting in the 300BLK, but with out the crap ammo, crap magazines that have proven to be troublesome, and aside from a barrel change, no other parts needed when going from .223 or 5.56. A side bonus of the chambering is that there is available heavy-hitting subsonic ammo for it. You also have the option of match grade barrels for your semi-auto; something the AK is lacking. You can also make your own cases from .223, of which there are literally BILLIONS of out there. Also, unlike the steel cases of the x39, you can reload the cases on the BLK.
If you are willing to live with the downsides to the 300blk, by all means, go for... I was just looking for some insight on the "why" of it.... which I have yet to get, btw... See above.
I'm just saying that balisticaly, its not on par with most .30 cal cartridges....Agreed, but then again, how many semi-auto 30's out there can cycle both subs and supers in the same chambering? It has its place, it's just at the bottom end/middle of the velocity spectrum.
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