If hunting it would be a toss-up between 6.5 Grendel and 6.5 Creedmoor, depending on the game and field conditions. These days, I basically use 5.56 for pretty much everything 0-300 yards, 6.5 Grendel for 0-600 yards, and 6.5 Creedmoor in a 22" bolt gun for long range stuff. I'm currently in a "wait and see" mode as the new DPMS G2, MP10, etc, find their way in the marketplace. I'm also glad I'm not beta-testing stuff like the Aero Precision 308AR lowers that don't play well with existing mag releases. EMC only for current milspec M80 or match grade stuff, AR10A4C super overgassed, etc) pushed me off that train. Overall weight, lack of commonality among manufacturers, and the varied "tuning" from different manufacturers (e.g. 308AR thing in a BIG way over the years, having owned and shot everything from a 22" LR308 with bull barrel to a 16" KAC EMC and even a 14.5" AR10C and pretty much everything in between. I have a great fondness for all three calibers (still new to the 6.8 as well), and am in no way trying to imply that these are their only ranges and/or capabilities, just my own personal views and setups for them and their uses for me alone. Personally broke it down for my own rifles/uses as:Ġ-400 yards - 6.8 SPC hunting, general purposeġ00-600 yards. 300BLK when you can go shorter and still have good performance? Is it just because there's no real benefit to a 10.5". 300BLK even in an unsuppressed SBR:ĥ.56- 11.5-12.5 200 & in, optimized for close work. A lot of people feel that you start to run into reliability and terminal performance issues with 5.56 SBRs under 11.5", so I was just curious why people don't seem to recommend. 300BLK being ideal for suppressed sub-10.5" SBRs, but it's my understanding that it still offers ballistic benefits over 5.56 in SBRs even if you're not suppressing it. I was asking because I see a lot of references to. 308 (which I acknowledge is a little off the original topic). That said, the Barnes black tip reliably expands to 1300 FPS which ends up around 400 yards out of a 16".Īnd as for availability, the Barnes black tip has been pretty much the only premium ammo that was available through the BLK ammo shortage. I'd call this combo for this application cake and eating it too.Īfter that it gets a bit more gray as the 300 BLK slows down and drops faster.
SUBSONIC 223 USEFULNESS FULL
With these combinations, the bullet is traveling fast enough for a rifle wound profile and you get reliable expansion and s barrier blind full copper bullet. I'm not sure saying 300 BLK doesn't perform optimally with bullets not designed for it should be considered an issue.įor defense inside of 100 yards 300 BLK with the 110gr Barnes black tip is going to be hard to beat, even out of a very SBR.
With the exception of two limited production Barnes bullets a 300 Blackout with a 9-12 inch barrel will be at or near the minimum expansion velocity at the muzzle for every. I would say that is a major oversimplification. 308 rounds made this "compromise" round unnecessary They tried to do too much, and more effective 5.56 rounds, or quality. 6.8 and 6.5, in my opinion, are nearly dead rounds. 300BLK, at least in a companion role to 7.62/.308 for CQB. 300BLK/6.8SPC/6.5Grendel-I'm slowly starting to see the advantages of. Good when used in a supporting role for 5.56 for long range, or a larger, more powerful round for better performance on a hard target. 0-600m primary effective range, at least with decent glass. 0-300m primary effective range (yes, it can be used far further, but effectiveness is very dependent on round type, barrel length, etc)ħ.62/.308-Patrol/DMR/hunting/heavy support Heavier ammo/mags with limited capacity lowers how much you'll be able to carry. I still would prefer 7.62 NATO over 5.56 if we're talking ball rounds, but that's just me.ĥ.56-Patrol/CQB work. I'm a 7.62/.308 fan boy who has recently started to see a lot of advantages when using quality 5.56 rounds.
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