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Posted: 9/4/2026 1:51:34 PM EDT
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8.5" .300 Blackout SBR. FRT or not? Opinions? |
Et quant au repos ? Le Caliphate doit être essuyé de la terre.
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Originally Posted By stiglitz_actual: I don't have one in my defensive rifles but do I have an AZR that I run in a couple of the range toys Subs are a fun novelty that always get smiles https://distortion.io/i/IMG_1500.jpg |
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It is expensive, yes. But incredibly FUN!  Frt mcx with subsonic rounds |
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I'm gonna have to get a decent gopro type camera to share my escapades. The short answer is YES. It's 50'ish cents a round for BS steel 147's but boy is it fun. I just SBR'ed a PSA uppper/lower with a 10.5", and giant 30 can and it howls. Actually, this one I have a trigger kicker in it but same idea. It runs perfect, and really really fast with the can. The bolt is one of those KAK weighted bolts which negates the need for H3 buffers. Runs great. It's my FIRST 300 BLACKOUT, and I wish I did it sooner. It's a nice platform. I'd compare it to 7.62x39 in many ways. |
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| I have a Disruptor in a PSA 8.5" 300blk pistol. It ran like a sewing machine out of the box with an H3 buffer but was gassy AF so I added an adjustable gas block. It does cost more than 5.56 to shoot but most of my ammo is pre covid so I consider it a sunk cost. |
End of the day video. I was smoked in this heat and humidity. You’d have to climb a 40 ft tree to get any breeze in the bay I was in. That was the third or fourth mag in about 30 minutes and the handguard was fucking hot, so I had to use the foregrip for more than just an index.  July 30, 2026 - 300 BO Sahara 8” 300 BO Ambi Arc Fire V2 Bad Attitude PSR clear anodized ambi receivers BCM rail B5 grip & stock Phase 5 foregrip Geissele phased array barrel G$ SSA-E X G$ BCG Geissele buffer tube Geissele Super 42/H3 combo Sahara 300   I’m building a 10.5” 300 BO Lima 6 right now that will have a FRT and run subs. Waiting on the lower and I just have to finish up with the last few parts on the upper. |
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Originally Posted By HKH: FRT EVERYTHING https://www.ar15.com/media/mediaFiles/99571/IMG_2625-3763963.jpg Originally Posted By HKH: Originally Posted By ODA_564: 8.5" .300 Blackout SBR. FRT or not? Opinions? FRT EVERYTHING https://www.ar15.com/media/mediaFiles/99571/IMG_2625-3763963.jpg All. The. Things. |
I don't see no Americans. I see trespassers.
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Originally Posted By GySgt_D: Crazy expensive to shoot Reloading helps lower the cost. Biggest cost is the bullets and brass. It's still cheaper than pre boxed. I've been scoping out price comparisons of reloaded vs boxed. Before I build. One thing about it .308 FMJBT would be reasonable to reload and shoot as blasting ammo. |
I'm going to have to vote "YES." September 6, 2026 |
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Originally Posted By HKH: FRT EVERYTHING https://www.ar15.com/media/mediaFiles/99571/IMG_2625-3763963.jpg |
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Originally Posted By ScottS: I look at FRTs like Frank's RedHot: I put that shit on everything. Originally Posted By ScottS: Originally Posted By HKH: FRT EVERYTHING https://www.ar15.com/media/mediaFiles/99571/IMG_2625-3763963.jpg  " />
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I don't see no Americans. I see trespassers.
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Originally Posted By cardboardkiller: Lima Six 300 BO upper https://www.ar15.com/media/mediaFiles/31823/IMG_1862-3823346.jpg https://www.ar15.com/media/mediaFiles/31823/IMG_1865-3823347.jpg 
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Et quant au repos ? Le Caliphate doit être essuyé de la terre.
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