*Must have a registered ARFCOM account to win. One trick to get reliable subsonic function in a gun thats been built around more ideal supersonic function is lightening up the back end of the system. ODE2NzBiY2U5OTUxNjZhZTJhYmFkOTZlNzc1MDdhMDdmNmRiMTEzZDRmZWI0 2 were with 300BLK SBR's. Before i got a 6.8, a 16" .300 unsuppressed was my primary hunting rifle. NTRjMTE3YWRjMTFiZjU2ZjY3NWM2NjIzMjMzOTIyNTU2MzcxODIzNjViMmQw I built a specialty home-defense AR-15 for a recent book project, and that was my choice. In short a good expanding supersonic 300BLK is always ballistically superior to a good expanding subsonic 300BLK. Run a pistol-length location gas port (four inches ahead of the chamber area) with a carbine-length (16-inch) barrel. Subsonic rounds hold one key advantage, they run really quiet when suppressed. Understatement: .300 Blackout (aka AAC) is a popular cartridge among AR-15 fans. .tfb-affiliate-link{ Share your tips in the comment section below. I was shooting subsonics, while my suppressor sits in the gun store safe waiting for some schmuck to rubber stamp a form, because they're all that I could find. 300 Blackout, is it worth it if you can not go short or - AR-15 If you are going to reload the 6.8 is a much better wildcat supersonic round for the AR. document.write(new Date().getFullYear()) Copyright Hornady, Privacy Policy | CCPA Request | Accessibility Policy | Terms of Use, Designed and developed by IdeaBank Marketing. Discussion about rifles in 300 AAC BLACKOUT (7.62x35mm), hosted by the creator of the cartridge. If I couldn't do short with 300blk I would have zero interest in it. I like 6.5G and 6.8 alot as well, but the mags and bolts are annoying and more cost. Subsonic 300 Blackout holds more power than 919mm while retaining equal ratings of decibel while suppressed. That is what AAC designed the 300 blk to do and they know how to do it. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. [img]http://i203.photobucket.com/albums/aa221/toobmonkey/MedSig.jpg[/img]. It cured the problem with supersonics, so I quit while I was ahead and only shoot those. Just a bit about the whole defensive rifle debate: some say something like 5.56 is not a good choice for home defense. If someone wants to build up an upper that could run both super-and subsonic, theres going to be some parts mods involved before the cartridge switch. Now, there are some very effective flash suppressors out there, but they dont take a bit off the noise. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. We also offer our patented AR-15 and .308 Easy Jigs which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required. I have an SBR as well in 300BLK which is more fun but when traveling out of state it's easier to just take my 16". Heavy for caliber bullets are often used to off-set lack of velocity and still provide great short to medium range performance. If you've chosen 300BLK to help accomplish this goal, you're on the right track. Thank you for a clear and consisce desciption. Although still considered to be on the higher end of the price spectrum, supersonic 300 BLK is the slightly more affordable option sitting at $0.75 - $1.15 per round. Just recently purchased a pistol upper kit for thr build Im working on. For the vast majority of applications, supersonic ammunition is the most practical choice, and it has the added benefit of being cheaper as well. A bullet traveling at higher speed means more energy that can be transferred to the target upon impact, more effective range, more tolerance to drop and wind drift. Here is what I know about full power ammo: Excellent, more than enough variety to make a decision. That' Due to the higher velocity, you will encounter much louder report regardless of a suppressor, due to the supersonic crack of the bullet. It is still fun to shoot, even though i now have an 8.5" sbr suppresssed. On the contrary, YouTube some videos on 300BO performance and you may be surprised. If you want to be ninja quiet, then shoot subsonics. Suppressed 5.56 is around 135db. I think that's what OP is after. So, being new to AGBs, here are my few thoughts and what I think I've figured out on their AGB. Please be respectful of others. I was waiting until after the SHOT SHOW before I bought a suppressor to see what new thing came out. As far as reliability and changing the system from sub to supersonic on a pistols length ar pistol, I have had luck using the superlative arms non restrictive bleed off style gas block. If you have any interest in shooting quiet be it with a suppressor or not (subsonic 220gr is a little louder than a .22 unsuppressed) the 300blk is THE BEST subsonic/supersonic rifle available. The first question to consider before you ask if you ought to use 300 blackout supersonic vs subsonic is whether or not you plan on shooting suppressed. ATI Introduces the Omni Hybrid Maxx Rifle - The Shooter's Log, .300 AAC Blackout: Speak Softly and Carry a Big Stick - The Shooter's Log, Washington Takes Oppression of Gun Owners to New Lows, Finding a Firearm: My Wifes First Pistol, Throwback Thursday: 5 Long-Slide Pistols I Cant Live Without. YTZjMjk4NWM1MTdlNTA0ODc1NTQ5ZmRkODE5MzkwNjAyNmQwZTc0M2RhOWY2 Does some damage with Barnes vor-tx bullets. NzAxZTZjNWI1YTkzYjU4MzU0Nzc0YTU2MjFmMmYyNGQ0OTk3N2ZmN2QzYmZh }, Editor In Chief- TFB The .300blk sub will likely be slightly louder than a 9mm sub, assuming similar barrel lengths. by JasonAAC Fri May 27, 2011 10:14 am, Post ZmUxYmM0MjAwZCIsInNpZ25hdHVyZSI6IjZiNGY3ZjE4ZWI4NWIwNmFlNTli An M1A would be cool too have, but going custom on my first buy. by este Mon Feb 06, 2012 10:16 pm, Post Second, you have the. The only issues Ive had with my AAC barrel is THE with cut brass. OWEyN2JmMTE0ZGM2MzkxYjdhZDc1N2EzYzNhOGQzY2I4NDNkNTJkYjI1MDcy -----BEGIN REPORT----- We want you, our readers, to be able to make informed decisions. This gun has shot subsonic and supersonic suppressed and unsuppressed flawlessly through 2500 rds min. Have you had success getting good function from a .300 Blackout? Ultimate .300 Blackout Ammo Test - Tactical Sh*t

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