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Posted: 9/20/2018 10:43:27 AM EDT
[#1]
Quote HistoryQuoted: it stabilized the 190's pretty well, the 220's were a little oval-ish. Will get some video next time I'm at the range |
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Posted: 9/20/2018 10:44:03 AM EDT
[#2]
edited: double-post
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Posted: 9/20/2018 12:11:31 PM EDT
[#3]
Quote HistoryQuoted: any issue with cycling/lockback? https://loadoutroom.com/51926/ultra-short-300-blackout-barrels-round-up-part-2/ |
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Posted: 9/21/2018 9:19:08 AM EDT
[#4]
Quote HistoryQuoted:
https://i.imgur.com/1rFLzPI.jpg |
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Posted: 9/21/2018 9:29:45 AM EDT
[#5]
Quote HistoryQuoted:
Unrelated to the ballistics conversation, but what Vertgrip/handstop combo is that? I want one |
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Posted: 9/21/2018 2:49:00 PM EDT
[#6]
Quote HistoryQuoted: Unrelated to the ballistics conversation, but what Vertgrip/handstop combo is that? I want one Forend is V7 magnesium ultralight |
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Posted: 9/21/2018 9:50:07 PM EDT
[#7]
Perfect. Thanks to both of you!
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Posted: 9/27/2018 7:10:47 PM EDT
[#8]
Good stuff!
At those velocities, what range will the 110gr barnes still perform as designed? |
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Posted: 9/28/2018 7:36:13 AM EDT
[#9]
Quote HistoryQuoted:
Good stuff! At those velocities, what range will the 110gr barnes still perform as designed? Relevant info: 
Based on this, I did a little extrapolation, and with a MV of ~1900fps you end up with roughly 300yd before velocity will fall below 1300fps.  Attached FileTrajectory is going to be your enemy at those ranges though 
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Posted: 10/1/2018 9:49:10 PM EDT
[#10]
FYI, just used the V7 6.5" barrel to bag a mule deer at 200 yards with federal 120gr copper rounds. pics tomorrow
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Posted: 10/2/2018 3:55:40 PM EDT
[#11]
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Posted: 10/2/2018 10:23:03 PM EDT
[#12]
Quote HistoryQuoted:
FYI, just used the V7 6.5" barrel to bag a mule deer at 200 yards with federal 120gr copper rounds. pics tomorrow What is the holdover at that range? |
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Posted: 10/3/2018 12:21:59 PM EDT
[#13]
Quote HistoryQuoted:
Nice! What is the holdover at that range? |
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Posted: 10/9/2018 5:41:22 PM EDT
[#14]
I don’t want to hi-jack this thread but I do want to thank the OP for his help. I just finished a .30 HRT with a 6.250” barrel and .120 handgun gas port. 225 gr. ELD-M bullets are going 1350 fps and 100% function. Next is to step down to subs with the 225s and supers with 110 TTSX. Your help made start-up a lot easier, thank you.
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Posted: 10/11/2018 9:07:09 PM EDT
[#15]
Quote HistoryQuoted:
I don’t want to hi-jack this thread but I do want to thank the OP for his help. I just finished a .30 HRT with a 6.250” barrel and .120 handgun gas port. 225 gr. ELD-M bullets are going 1350 fps and 100% function. Next is to step down to subs with the 225s and supers with 110 TTSX. Your help made start-up a lot easier, thank you. Combined with Dr Phil's various ammo minimum velocity expansion threshold data on 300blktalk.com, one can extrapolate what range you can expect expansion at, through such a short barrel. Good info for bullet selection http://www.300blktalk.com/forum/viewtopic.php?p=986983 |
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Posted: 11/7/2018 7:34:00 PM EDT
[#16]
https://loadoutroom.com/109793/ultra-short-300-blackout-barrels-round-up-part-3
Third article |
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Posted: 12/11/2018 2:00:59 PM EDT
[#17]
@kbark
@Joker1713 @EPOCH96 @PewPewPew1212 You all mentioned interest in the KAK 4.75"... https://www.ar15.com/forums/equipment-exchange/KAK-4-75-inch-300-Blackout-upper-250-OBO/22-1829490/ |
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Posted: 1/20/2019 11:13:20 AM EDT
[#18]
Bump
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Posted: 1/20/2019 11:28:22 AM EDT
[#19]
Not sure if this has been discussed yet .. but Sig now has a 300 rattler upper that can go on an existing AR lower - which elimates buffer tube and has an OAL when folded of 16.25" - which is shorter than the mpx.
Just thought I would share this as once I found out they were making an mcx upper that can go on a standard lower I was pretty excited as I didn't think it was possible. https://www.gunsamerica.com/digest/sig-m4-rattler-conversion/ |
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Posted: 2/3/2019 2:24:55 AM EDT
[#20]
I'm assuming the higher priced kak 4.75" was used in this testing? If so, how do you think their value line for the 4.75" would have tested?
Is the slr 5" barrel on their website the Veritas brand? They look similar and would be easier to buy barrel and handguard from one place. |
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Posted: 2/6/2019 3:37:37 PM EDT
[#21]
Quote HistoryQuoted:
I'm assuming the higher priced kak 4.75" was used in this testing? If so, how do you think their value line for the 4.75" would have tested? Is the slr 5" barrel on their website the Veritas brand? They look similar and would be easier to buy barrel and handguard from one place. Yeah the SLR is from Veritas. I emailed SLR first, they let me know it was Veritas I had to talk with about sending out a T&E barrel |
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