Advertised as a non-magnum cartridge with magnum energy, it is made by necking. This was the first time Federal attached their name to a caliber. 33-08 wildcat, effectively renaming it the. Take a Look at the 8.6 Blackout Ballistics Here! The. Using supersonic loads, Kevin Brittingham shocked everyone by taking the 8.6 Blackout to Africa and taking a Cape Buffalo with it, widely considered one of the world’s toughest animals. The 8.6 Blackout is good for hunting all-sized game animals at subsonic velocities. Currently, the ammunition producers are loading supersonic loads with 210 gr bullets and subsonic with 288-300 gr bullets. The 8.6 Blackout was designed for use in semi-automatic rifles, specifically the AR-10 platform. 338 diameter bullets in standard 7.62 NATO Magazines without modification. It is a trimmed-down 6.5 Creedmoor case that is necked up to accept. The 8.6 Blackout, also known as the 8.6 BLK, 8.6×43, and 8.6 Creedmoor, was developed and invented by Kevin Brittingham and the crew at Q, Discreet Ballistics, and Hornady. Other than looks, the two cartridges are very different.ĭespite being very different, they both fulfill their unique roles within the hunting world. The 8.6 shoots a heavier bullet much slower than the 338 Federal. However, it differs from the 338 in both bullet weight and velocity. The 8.6 Blackout is closely compared to the 338 Federal. It wasn’t long after the 8.6 was introduced that people started to identify that it was almost identical to the. Often referred to as the 300 Blackout’s big brother, it fills the same subsonic role in an AR-10 platform. The 8.6 Blackout is quickly becoming the new hotness in the cartridge world. Slap either the creedmoor or Blackout name on it and call it a multipurpose round and it will probably sell.The 5.56 NATO compared to the 8.6 Blackout. I hope out of the gate they focus on good subsonic expansion with heavy bullets, maybe that will help drive better expanding low velocity bullets in several different bore sizes. I bet this is a fun project for whoever is working on it large frame AR/short action DBM mag length restrictions for OAL, low case capacity for typical bullet weights in that bore, long but slow bullets to stabilize at two different velocity thresholds, most customers probably won’t want a barrel much longer than 20”, that’s a lot of compromises to fit into one package. any supersonic advantage gained from higher SAAMI pressure will be reduced a bit from a smaller case capacity, The shorter shoulder length would help a bit with seating longer bullets at mag length which will help on both the sub and super end of the spectrum. 030 to keep bolts from chambering on a 6.5 creedmoor in an 8.6 chamber meaning even less capacity. 338 Fed/.358 win cases but the creedmoor case already has less capacity and they will probably do something legally well advised like push the shoulder back. I can see some of the argument for using a creedmoor case from being able to run at slightly higher pressures than the. Maybe some companies will make some 338 bullets better suited for this cartridge? The 230 ELD-X seems like the best to me but if I'm missing something I'd love to hear it. I'd love a 12.5" large frame that is as versatile as this cartridge seems. Very curious how fast the 230's will be pushed with this cartridge. Would love to hear more thoughts / comparisons.
Heavy subs for <100 yds and supersonic capability to 200-250 yds.įor comparison, I used the 6.5 Grendel shooting a 130gr Berger at 2400 fps. The 375 Raptor seems much more like the AR10 version of the 300blk. It can obviously shoot heavy subs as well. This comparison only gets better if the 8.6 can shoot the 230's faster. Both these cartridges are within 0.5 mil to 750 yds. The only downside is obviously trajectory (13.4 mils to 1k vs. JBM says the 230 ELD-X stays supersonic to just over 1,000 at 2k elevation with a MV of 2,200 fps.
To me, it almost seems like the 6.5G big brother if it can push the 230 ELD-X at a decent speed.
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