It's hard for me to write about BattleComp without coming across as a shill, but I have to say...this is an awesome accessory and I'm an admitted fanboy. However, I'm confident if you watch these videos or talk to others who run a BABC you'll have your misgivings quickly dispelled. In any case, what began as a 5.56mm device is now available in about every caliber you could conceivably want (the 5.56mm can be used in .223 without issue). Most recently they released this prototype of the 300 AAC:
The BattleComp is exactly what it’s name describes. It is a “Battle Compensator.” The manufacturers don’t pitch it as the greatest muzzle brake on the market, not the most effective flash hider. They describe it as the best available combination of the two, and I think that’s being modest about it.
BC is designed to tame concussion and mitigate flash, and it is surprisingly effective. “Many shooters, faced with the choice, go with a flash hider because they’re cheaper [than a compensator], Alan Normandy of BattleComp explains, “and they can train to accommodate recoil management—you can’t train to accommodate flash. We figured there had to be a way to do both.”
Here's a BC on an M249. Hopefully the video is high enough quality that you can appreciate the BC's impact.
This is a great example comparing and contrasting SCARs with and without a BattleComp:
Picture of 5.56mm BCs below. There are numerous videos on line showing how BattleComp performs on different 5.56 platforms and also on AKs.
Here's another version:
For those of you who need the technical stuff, the BC 1.0, 1.5 and 2.0 come with standard 1/2"x28 RH pitch. The BattleComp BABC comes with 5/8"x24 RH for calibers from .300 Blackout, 6.5 Grendel, 6.8 SPC, .270 Winchester, 7.62x39 and 7.62x51 NATO to .300 Winchester Magnum.
Having had the pleasure of testing more than one rifle equipped with a BattleComp, I can honestly say I would be hard pressed to choose something else. I also can't help but wonder if there's not a place for this in issued rifles - if not on every grunt's M4, then at least all the DM rifles...and maybe the M249s?
If you're interested, I'll have them send me the video of when they tested an M240 with a BattleComp on it. Let me know in comment section.
Buy one on line at http://www.battlecomp.com/
I'll end with a picture of the Bench of Awesomeness.