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Old April 30, 2019, 12:26 PM   #1
Mattj4867
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Join Date: January 17, 2017
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300 blackout barrel length, Handguard length and suppressor

Hey everyone I’m currently contemplating a suppressor for a home defense build. I am going to get the rebel sos hunter suppressor for my 300 black out. Since the suppressor is modular and breaks into many pieces, would a long Handguard make it difficult to remove from the gun. Also what barrel length would be ideal for this setup

Thanks, Matt
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Old April 30, 2019, 12:35 PM   #2
Sharkbite
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AAC (who brought the 300blk mainstream) specs a 9” barrel on their SBR. I have one and it works great subs and supers, can or no can.

I run a gemtech 300blk suppressor for HD use with 110gn Blacktips (supers). Nice handy size and weight.
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Old April 30, 2019, 03:35 PM   #3
FrankenMauser
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If the suppressor has multiple pieces that can unscrew from each other and do not have reverse threads to keep the suppressor together while removing it from the barrel, I wouldn't be sticking it under a hand guard.

9.5-10.5" seemed to be the sweet spot for .300 Blk, when I was researching.
I went for a 9.5" barrel and 6" hand guard. The hand guard could be longer, and still not cover the muzzle threads or suppressor; but I usually only care about covering the gas block, and the 6" hand guard did that just fine (while saving weight).

With a SilencerCo Harvester .300 attached, my overall barrel length is 17.75". ...Still reasonably short, and plenty handy.


Based on what I've read about the Rebel SOS-Hunter, I wouldn't spend my money on one. I wouldn't even pay for the tax stamp on one that was FREE.
Low quality. Poor fit and finish. And short lifespan.
I wouldn't go there.

Pony up a couple hundred dollars more, and you can get something decent.
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Old May 1, 2019, 05:48 PM   #4
Mobuck
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Check to make sure the can you choose is rated for supersonic ammo with a short barrel.
Subsonic ammo is VERY disappointing when it comes to terminal performance.
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