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Author Topic: 5.56 on Blacktail  (Read 2202 times)

Offline hunter399

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Re: 5.56 on Blacktail
« Reply #15 on: December 03, 2019, 07:36:28 PM »
I wish it was legal , But it's not.
All kinds of wildcat calibers to get around it.
If your help bent on a 223 case.
This year I went with a ar10, 308 and just ditch the ar15.
I can build an ar10 for the same price as most quality ar15.
Two birds in the Bush is always better than one in the hand-that way you can always go to the Bush and hunt another day .conservation=Better hunting.
Wrote by hunter399

Offline Rob

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Re: 5.56 on Blacktail
« Reply #16 on: December 04, 2019, 07:12:10 AM »
Get a 300 blackout upper. Done deal.

I like the way you think!  :tup:

I took a small blacktail with a subsonic 300 BO this year.  Dropped like a sack of flour.

Used the Lehigh Max expansion bullet as recommended by some folks on this forum. 

Sub-sonic makes it a 150 yard or less gun (for me anyway).  I found an 85 yard zero had me +/- 2 inches to 100 yards.  Then it falls like a rock from there.
-5.8 at 120
-14 inches at 150
-34 inches at 200
-63 inches at 250
-101 inches at 300!



_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

Online Taco280AI

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Re: 5.56 on Blacktail
« Reply #17 on: December 04, 2019, 08:50:14 AM »
I know a guy who uses the 22 Creedmore on deer out of state, 60something grain maybe... but not in WA

Offline Goshawk

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Re: 5.56 on Blacktail
« Reply #18 on: December 06, 2019, 09:21:23 PM »
The 300 Whisper can be ok at very short ranges. I've taken deer with it and have seen deer taken with it.  As long as you realize out of a rifle it's just about a ballistic twin to the 357mag out of a rifle your ok.
There are a LOT better rounds for hunting with an AR15 that have all the power and accuracy you would ever need from the 6.5 Grendel to the 50 Beowulf.  When the time comes to pull the trigger or release the arrow it's all about shot placement and confidence. Work in your known range limitations and be responsible about the shots you take, and you should be just fine.  The wildcard is animal movement, brush, less than ideal angles of impact, and the unexpected miss that hits a leg bone on the way to the lungs rather than a good rib shot. Add the possibility of a bear in the mix and you'll see there are much better choices for Western Washington Big Game hunting than the little 300.

Online Jonathan_S

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Re: 5.56 on Blacktail
« Reply #19 on: December 06, 2019, 09:27:32 PM »
7mm TCU on an AR 15 has tempted me before
“Kindly do not attempt to cloud the issue with too many facts.”

Offline TooTallMike

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Re: 5.56 on Blacktail
« Reply #20 on: December 06, 2019, 10:13:19 PM »
Get a 300 blackout upper. Done deal.

I like the way you think!  :tup:

I took a small blacktail with a subsonic 300 BO this year.  Dropped like a sack of flour.

Used the Lehigh Max expansion bullet as recommended by some folks on this forum. 

Sub-sonic makes it a 150 yard or less gun (for me anyway).  I found an 85 yard zero had me +/- 2 inches to 100 yards.  Then it falls like a rock from there.
-5.8 at 120
-14 inches at 150
-34 inches at 200
-63 inches at 250
-101 inches at 300!

Not trying to hijack the thread but can you expand (see what I did there?) on your load data for that round?
Also to the OP.
Swap out your barrel and headspace is for 300blk and use some Barnes 110 TacTX and any deer inside 300yds is SMOKED with the proper placement

Offline wreckerman5288

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Re: 5.56 on Blacktail
« Reply #21 on: December 07, 2019, 12:54:53 AM »
If one was hunting somewhere it was legal, 5.56 loadings with quality hunting bullets in the 70-77 grain loadings would be very effective on any deer at ranges beyond what most people should realistically be shooting anyways. I have quite a bit of Target and varmit experience with high B.C. .223 and 5.56 loads and when used with a 1-7 twist barrel are a completely different animal from 55 grain cheapo and varmit ammo. They hit harder, shoot flatter at range, and buck wind way better.

Having lots of experience with the platform and enjoying building them, naturally I wanted to hunt with an AR15 and hunting in Washington I had to go with an alternate caliber. I ended up with .300 Blackout  because of cost, availability of parts, quality factory hunting ammo, and ability to reload from 5.56 brass. It is way cheaper to get in the .300 Blackout game than the 6.5 Grendel for example, which was a big deal to me at the time I built the upper. I built an upper identical to my main 5.56 upper outside of chambering and gas system length. I use the same scope on the two uppers, I just swap over to the .300 for hunting season. I shoot thousands of rounds through the setup in 5.56 every year and about 10-20 of .300, but the .300 feels the same and aside from trajectory shoots the same, so I am very comfortable with it.

The .300 is not very powerful and it's trajectory is not very flat. However,  at 300 yards Barnes Vor-Tx 110 grain factory ammo hits as hard as a .357 Magnum does at the muzzle and has a manageable 7 MOA of drop. I have killed both bucks I've shot at with this setup, a good sized 4 point mule deer buck at 214 yards and a sprinting 4x4 whitetail at 30 yards. The mule deer was a single lung shot, complete pass through, ran 90 yards bleeding heavily. I shot the whitetail twice, first a lung shot, followed quickly by a shoulder shot. The shoulder shot broke through both shoulders and was recovered under the far side hide. The lung shot yawed sharply and was recovered in the meat of the far side rear quarter. The buck dropped immediately from the shoulder shot.

With an accurate rifle, an understanding of your trajectory, a decent optic with a solution for managing 21 inches of drop,  and the Barnes 110 grain Vor-TX  I would have no reservations about using it on deer in out to 300 yards.

Is it the best deer hunting cartridge, that depends on how you hunt deer. I hunt almost entirely open country but most deer I've ever shot have been between 30 and 200 yards and they are frequently running. The .300 Blackout AR15 works perfectly for that.

Offline BKMFR

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Re: 5.56 on Blacktail
« Reply #22 on: December 07, 2019, 06:37:19 AM »
I have used a 6x45(6mm/223) for years. Mine is built on a small Sako action, 20" light Lilja fluted barrel, Lone wolf composite stock, with a 4.5x14 Leupold. Tack driver,super low recoil, nice lightweight package, and it works!

Offline Goshawk

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Re: 5.56 on Blacktail
« Reply #23 on: December 08, 2019, 12:05:47 PM »
7mm TCU on an AR 15 has tempted me before

If you go there for hunting, remember  you'll need to choose a bullet that will expand and perform and a lot lower velocity than what most 7mm rifle rounds generate.  You might consider the 6.8 spc or 6.5 grendel. Both are really very well balanced for the AR15 platform and are game capable without it being a stunt.

Online Jonathan_S

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Re: 5.56 on Blacktail
« Reply #24 on: December 08, 2019, 08:15:09 PM »
Yupp. Same as anything else, get the best bullet for the intended use. 7mm is a tougher one than the 6x45 I have. Lots of options for 6mm that expand at lower velocity  :tup:
“Kindly do not attempt to cloud the issue with too many facts.”

Offline hunter399

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Re: 5.56 on Blacktail
« Reply #25 on: December 08, 2019, 08:44:11 PM »
I've been hunting with 25/45 for couple years,but bought my barrel from black hole weaponry ,20 in.Which I can load pretty hot anything from a 75 grain to 110 grain.
But just this summer before the gun laws passed,i went ahead and got ar10 in 308.Put the lower together for about 300 dollar then bought a upper from from bear creek arsenal for 300 dollars.So a 600 dollar rifle shoots great.bear creek upper comes with bolt and charging handle,I spent another 100 on drop in trigger,50 on adjustable gas block ,50 on upgraded extractor, But it shoots good right out of the box,I just up graded parts I thought where cheap,to have light trigger,reliably in my rifle.
« Last Edit: December 08, 2019, 08:51:05 PM by hunter399 »
Two birds in the Bush is always better than one in the hand-that way you can always go to the Bush and hunt another day .conservation=Better hunting.
Wrote by hunter399

Offline Rob

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Re: 5.56 on Blacktail
« Reply #26 on: December 09, 2019, 05:00:31 AM »
Get a 300 blackout upper. Done deal.

I like the way you think!  :tup:

I took a small blacktail with a subsonic 300 BO this year.  Dropped like a sack of flour.

Used the Lehigh Max expansion bullet as recommended by some folks on this forum. 

Sub-sonic makes it a 150 yard or less gun (for me anyway).  I found an 85 yard zero had me +/- 2 inches to 100 yards.  Then it falls like a rock from there.
-5.8 at 120
-14 inches at 150
-34 inches at 200
-63 inches at 250
-101 inches at 300!

Not trying to hijack the thread but can you expand (see what I did there?) on your load data for that round?
Also to the OP.
Swap out your barrel and headspace is for 300blk and use some Barnes 110 TacTX and any deer inside 300yds is SMOKED with the proper placement

no Problem.  All the back and forth can be found here:
https://hunting-washington.com/smf/index.php/topic,242391.0.html

Short answer is I used 9 grains of lii gun.  I plan to do some testing with other powders over the winter to see if I get more consistent velocities.

_______________________________________
Sit tall in the saddle, hold you head up high.
Keep your eyes fixed on where the trail meets the sky.
Live like you ain’t afraid to die.
Just sit back and enjoy your ride
  - Chris Ledoux

 


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