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Anyone have any experience with this particular suppressor? I just ordered one because all my other suppressors are from AAC (M4-2000,Ti-Rant, Pilot)and I wanted to keep the same quick attach 51T mounting system across both 5.56 and 7.62 calibers.

I'm planning on a 300 Blackout build down the road and I think this will perform better on it than my LMT MWS .308? Thoughts?

If you had a choice, which 30 caliber suppressor would you go with and why?



Semper Fi
Posts: 3240 | Location: Canfield, Ohio | Registered: October 31, 2004Reply With QuoteReport This Post
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Not sure that I'm going to be much help as I only have one .30 cal suppressor and no .300 Blk rifles. But I do have the AAC 7.62 SDN-6 and I love mine. Goes from 5.56 (three AR (1) 16"/(2) 14.5" pinned barrels) to 7.62x51 (SCAR 17) without issue, and has been as quiet as I need it to be across several rifles.

Anyway, I love mine.

"Ultima Ratio Regum"
Life Member NRA Washington Arms Collectors
The designer of the gun had clearly not been instructed to beat about the bush. 'Make it evil,' he'd been told. 'Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them.'
Posts: 963 | Location: T-town in the 253 | Registered: January 16, 2013Reply With QuoteReport This Post
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Of .30 cal cans I have a 762SD, a 762-SDN6, and a Rugged .30 Micro currently in suppressor jail. The SDN6 is an upgrade over the original design and works well - I use it on .308 and .300BLK. The 762SD has a little more volume and seems to suppress better (hearing being very subjective), but the SDN6 is smaller and lighter. Both seem hearing safe with normal .308 when outside. The 762SD is an 18 tooth from 2007 (my first rifle can - F4 took less than 30 days door to door!) and the SDN6 is a 51. I have a ton of their mounts on rifles, but given the advances many other manufacturers have made I found the Rugged features far more to my liking. More/less the same dB rating, easy to clean, modular, lighter and cheaper. It will be interesting to compare the BLK subs to the SDN6 and my Obsidian .45 w/9mm end cap. I've gone away from AAC (I have 3) since many other options these days have better features, are less expensive and work just as well, if not better.

115 + 115 = 230
Posts: 3606 | Registered: April 29, 2000Reply With QuoteReport This Post
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Ti Rant 45?
Similar situation with 30 caliber AAC 51T suppressors. I use them on my bolt action 308’s
I haven’t used my Ti Rant 45M with my 300 BO yet.
I have Dead Air Ghosts in jail...
Also a DeadAir Sandman Ti for my 6.5 Creedmor in jail.
Or use the AAC 7.62 for the Creedmor?
Same question- different caliber .
Posts: 1650 | Location: Southeast CT | Registered: January 18, 2009Reply With QuoteReport This Post
I got a Million of 'em!
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I have one and it suppresses BO well but it is heavy and large compared to newer cans. I’ve been kicking around the idea of a different, modern can to replace it lately.
Posts: 8112 | Location: Hiram, GA. | Registered: October 24, 2007Reply With QuoteReport This Post
For real?
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I use mine on my 300blk, 6.5G and 5.56 with no issues. I prefer it on my 5.56 Tavor X95 over a 5.56 can since the Tavor is overgassed.

Not minority enough!
Posts: 6669 | Location: Cleveland, OH | Registered: August 09, 2007Reply With QuoteReport This Post
AAC's Chief Mechanical Designer
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The 762-SDN-6 was a weird animal made specifically to work with the new (at the time) 300 BLK cartridge we were playing with. It combined the shorter baffle spacing (.457") and vented, stamped Inconel baffles we had pioneered for the U.S. Navy version of the M4-2000, but in .30 caliber. It works great with 300 BLK, and does a better-than-expected job when used on a 5.56mm host. It's length (~7.75") made it a good "crossover" length to be used on both 300 BLK and 5.56mm hosts. So much so that for a couple of sales years, the 762 SDN-6 was AAC's best selling "5.56mm" silencer, outselling the M4-2000! As others have stated, the oversized bore of the SDN-6 plays well with over-gassed and/or 5.56mm piston-driven systems that tend to bark and not run well with cans with a 5.56mm specific bore. If you find an SDN-6 at a non-offensive price, grab it. It's a solid design with a lot going for it.

Mike Smith

Mike Smith
Posts: 565 | Location: Alpharetta, GA USA | Registered: January 27, 2003Reply With QuoteReport This Post
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Gets the job done, but as other's have said... it is on the heavy side. On certain setups the PoI shift is quit large. If you want to stay in the AAC wheel house, have you looked into the SR-7 ?? Lock up is much improved w/ the 90 tooth mount. Or SiCo Omega is another worth taking a look at...
Posts: 1190 | Location: The Edge of Nowhere... | Registered: April 05, 2013Reply With QuoteReport This Post
Go ahead punk, make my day
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I've had one for 7 years, north of 6-7K of 762x51 and 556 on SBR SCAR 16/17s and ARs. Little to no POI shift on my rifles.

Zero issues and tight lockup on my weapons. Not light, but it's durable as heck. Sure, there are cans out there with newer designs, but the SDN6s is still a solid choice IMO.
Posts: 45783 | Registered: July 12, 2008Reply With QuoteReport This Post
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Been thinking about getting a new pistol / rifle that I could use with one of my existing suppressors. Specifically the AAC 7.62-SDN-6.

Is anyone running an AAC 7.62-SDN-6 on a Sig Sauer MCX Rattler Canebrake 300 AAC Blackout?

51-T attachment a problem with this setup?

Any thought's Mike?

- LZ_226
Posts: 998 | Location: Dallas, Texas | Registered: July 21, 2005Reply With QuoteReport This Post
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I considered one and decided that the SiCo Omega 300 was a lighter equivalent. I have been happy with it.


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Posts: 3717 | Location: NV | Registered: October 06, 2011Reply With QuoteReport This Post
Sigless in
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Two of my friends have a SiCo Omega and it is impressive and LIGHT.

The factory ASR mounts suck (we launched a can down the hallway of a shoothouse, thankfully no damage), but the Keymo mount fixes those issues.

I have some AAC products and they are great but IMHO the Omega is a better can than the SDN6. I am happy with my 51 tooth mounts though.
Posts: 13609 | Location: The Edge of the Ozarks | Registered: December 04, 2003Reply With QuoteReport This Post
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