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Posted: 1/30/2015 7:52:45 PM EDT
[#1]
It is a great round to suppress.
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Posted: 1/30/2015 7:56:20 PM EDT
[#2]
It's a fun round if you have a 308 suppressor and an SBR
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Posted: 1/30/2015 7:59:05 PM EDT
[#3]
Is there any use in getting a 16" 300blk?
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Posted: 1/30/2015 8:09:32 PM EDT
[#4]
Kill deer a lot easier with a 30.cal. bullet
Great for shooting subsonic. A .30cal bullet that fits into a ar15 receiver (ar10s are heavy). All the components are the same other than the barrel and FH/MB. You get great velocity out of a 8" barrel. Shoot 30cal bullets from 110 gr to 245 gr. |
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Posted: 1/30/2015 8:21:01 PM EDT
[#5]
Nothing, if I want more power I use the AR-10
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Posted: 1/30/2015 8:29:06 PM EDT
[#6]
So a 5.56 BCG and mags can be used?
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Posted: 1/30/2015 8:40:19 PM EDT
[#7]
Quote HistoryQuoted: So a 5.56 BCG and mags can be used? |
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Posted: 1/30/2015 8:50:30 PM EDT
[#8]
the main advantages are legal in states that dont allow ..223 for deer, superior terminal balistics from a short barrel and shorter OAL with suppressor.
i like! 
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Posted: 1/30/2015 9:08:36 PM EDT
[#9]
Quote HistoryQuoted:
Is there any use in getting a 16" 300blk? Yep, $200 cheaper than an SBR. |
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Posted: 1/30/2015 9:16:38 PM EDT
[#10]
It's primarily two things. It suppresses extremely well and retains decent velocity in short barrels.
It does two things well that .223 does not. Frankly, if I couldn't have it in SBR or suppressed, I'd have no use for 300BLK. |
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Posted: 1/30/2015 9:27:40 PM EDT
[#11]
Quote HistoryQuoted:
Is there any use in getting a 16" 300blk? IMHO, nope. |
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Posted: 1/30/2015 9:27:57 PM EDT
[#12]
Quoted:
What's so great about this round......I have been seeing people build these like crazy lots of discussions but never really cared till now........what's so great about this round? Also is perceived recoil equal to 5.56? 308? You can get ballistics similar to the 7.62x39 in an AR without sacrificing reliability. It retains better terminal ballistics with a short barrel. The subsonic loads are stupid quiet. I think what's most attractive is the low start-up cost for those of us already invested in ARs. I can buy a barrel for a couple hundred dollars and build a 300 blkout AR with all the other components I already own. I haven't built one, mostly because of ammo prices. But what's not to like about a .30 AR? |
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Posted: 1/30/2015 9:56:31 PM EDT
[#13]
Quote HistoryQuoted:
IMHO, nope. Quote HistoryQuoted:
Quoted:
Is there any use in getting a 16" 300blk? IMHO, nope. Not all States permit hunting with .223. |
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Posted: 1/30/2015 10:08:57 PM EDT
[#14]
Excellent for hunting pigs. Legal for hunting in places they don't allow hunting with .223.
"At 300 meters, 300 BLK has 16.7% more energy than 7.62x39mm. Max effective range, using M4 military standards for hit probability, is 440 meters for a 9 inch barrel, and 460 meters for a 16 inch barrel. 300 BLK from a 9 inch barrel has the same energy at the muzzle as a 14.5 inch barrel M4, and about 5% more energy at 440 meters - even though the barrel is much shorter." "300AACBlackout, a7.62x35mm sized cartridge(300BLKforshort) is better than 7.62x39 because: - Standard5.56mm CaseHeadandCartridgeTaper – ARMagazinesweredesignedtofeedthistaper – MaintainsFullMagazinecapacity – Onlychangefrom5.56mmisthebarrel – MinimizesstrainonARBolt’sweaknesses – UtlizesastandardARBoltFace,toretainBoltLockingLugstrength WideProjectileSelecton – 0.308”possiblythemostpopularcenterfireriflebulletinhistory – WideProjectleSelecton" |
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Posted: 1/30/2015 10:29:33 PM EDT
[#15]
Quote HistoryQuoted:
Yes everything is the same but the barrel, and probably the gas tube because it works best on a pistol length gas system Quote HistoryQuoted:
Quoted:
So a 5.56 BCG and mags can be used? I have 2: A 16" for hunting ( with a carbine gas tube, not pistol, and it runs like a top) and a SBR (8.5"). Supers out of it work fantastic on larger game such as deer. Subs in the SBR with a suppressor are fun and almost stupid quiet. |
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Posted: 1/30/2015 11:46:02 PM EDT
[#16]
Mine does four things with 100% reliability (using a Noveske 10.2" SS barrel and a 762-SDN-6 suppressor):
- Supersonic unsuppressed - Supersonic suppressed - Subsonic unsuppressed - Subsonic suppressed That is actually harder to achieve than you would think. Credit the evolution of the 300 Blackout ammo, barrel length, and gas system.
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Posted: 1/31/2015 12:16:36 AM EDT
[#17]
Mine continues to kill deer with a vengeance
Subsonic at that |
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Posted: 1/31/2015 1:05:26 AM EDT
[#18]
Quote HistoryQuoted:
Mine does four things with 100% reliability (using a Noveske 10.2" SS barrel and a 762-SDN-6 suppressor): - Supersonic unsuppressed - Supersonic suppressed - Subsonic unsuppressed - Subsonic suppressed That is actually harder to achieve than you would think. Credit the evolution of the 300 Blackout ammo, barrel length, and gas system. Yep. It's an incredible round. If 300 black ammo ever becomes similarly priced to 223/5.56 ammo, I'd rarely ever opt to shoot 223/5.56 again in sub 300 yard scenarios. For sub 300 yard engagements, 300 black is everything 223/5.56 wishes it could be - and out of a much shorter barrel on top of that. The round was designed around a 9" barrel. That's not saying there's no use for a 16" 300 black, but you don't need more than a 9" barrel. |
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Posted: 1/31/2015 3:46:39 AM EDT
[#19]
It's fun. It has less recoil than .223 and making your own ammo is fun too. The only thing 7.62x39 has over it is that it comes in cheap surplus tins but that kind of sucks because boxer primed stuff is a pain to reload so to me it's totally worth going with 300BLK and I did.
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Posted: 1/31/2015 5:23:44 AM EDT
[#20]
Quote HistoryQuoted:
Kill deer a lot easier with a 30.cal. bullet Great for shooting subsonic. A .30cal bullet that fits into a ar15 receiver (ar10s are heavy). All the components are the same other than the barrel and FH/MB. You get great velocity out of a 8" barrel. Shoot 30cal bullets from 110 gr to 245 gr. What sort of velocity differences are there between an 8" and a 16"? |
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Posted: 1/31/2015 7:40:23 AM EDT
[#21]
Quote HistoryQuoted:
What sort of velocity differences are there between an 8" and a 16"? Quote HistoryQuoted:
Quoted:
Kill deer a lot easier with a 30.cal. bullet Great for shooting subsonic. A .30cal bullet that fits into a ar15 receiver (ar10s are heavy). All the components are the same other than the barrel and FH/MB. You get great velocity out of a 8" barrel. Shoot 30cal bullets from 110 gr to 245 gr. What sort of velocity differences are there between an 8" and a 16"? Only a about 100fps difference but the 16" barrel should be more accurate out past 100yds. The 300blk burns all its powder in the first 9" so you don't gain the velocity like you do with the 5.56. |
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Posted: 1/31/2015 8:27:14 AM EDT
[#22]
Quote HistoryQuoted: It's primarily two things. It suppresses extremely well and retains decent velocity in short barrels. It does two things well that .223 does not. Frankly, if I couldn't have it in SBR or and suppressed, I'd have no use for 300BLK. FIFY  |
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Posted: 1/31/2015 8:29:14 AM EDT
[#23]
Quote HistoryQuoted: Mine does four things with 100% reliability (using a Noveske 10.2" SS barrel and a 762-SDN-6 suppressor): - Supersonic unsuppressed - Supersonic suppressed - Subsonic unsuppressed - Subsonic suppressed That is actually harder to achieve than you would think. Credit the evolution of the 300 Blackout ammo, barrel length, and gas system. Good for you! My 10.5" Noveske is not 100% reliable subsonic unsuppressed. Everything else if GTG. I haven't bothered to try to 'fix' it, since I never shoot the gun without its 762-SDN-6 attached. |
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