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6/23/2020 8:22:20 PM EDT
Has anyone seen or used this ammo?

It is not the 85 grain Barnes.  

It is loaded in a brown cardboard box.  Black Hills Ammunition. 30 cartridges. CAL 5.56. 87 grain Barnes Projectile.  Lot BLH098 168-001

2007 LC head stamps.

A friend picked up a 720 round ammo can from a buddy who attended a class. It is an OTM bullet.  

I have not heard of it before.
6/23/2020 10:32:45 PM EDT
[#1]
Would it even fit in a mag?
6/23/2020 11:33:23 PM EDT
[#2]
Nope 77s is it
6/24/2020 12:32:57 AM EDT
[#3]
Never heard of it. Wouldn't be 77's by chance? If it is 87 grains it is almost certainly not capable of being fed by magazine.
6/24/2020 9:23:31 AM EDT
[#4]
I believe these had been discussed in a previous thread.............

It was one of the experimental loads for testing.....

But why don't you ask the friend-friend for an explanation????  
He would know, After all he was the one who acquired it........
6/24/2020 5:51:47 PM EDT
[#5]
These were left behind by the Navy after a long range rifle course.  The instructor kept the unused ammo.  The Tier One types were shooting Mk 12's.  This would have been 2007 or later.
6/25/2020 4:04:16 AM EDT
[#6]
This is the only 87gr I'm aware of:

"5.56mm Powell River Labs 87 grain blended metal core of powdered tungsten/ tin, in a copper jacket.
This would be one of three that competed against 27 different commercial match projectiles, for the Navys MK262MOD0 in 1999. The Sierra 77 gr Match King was eventually the winner, becoming the MK262MOD1.
Me thinks that the Powell River bullet construction was sold off to Dynamic Research Tech LLC (DRT) for thier line of Terminal Shock Frangible lead free pistol and rifle ammo.
"

6/25/2020 12:27:07 PM EDT
[#7]
Quote History
Quoted:
This is the only 87gr I'm aware of:

"5.56mm Powell River Labs 87 grain blended metal core of powdered tungsten/ tin, in a copper jacket.
This would be one of three that competed against 27 different commercial match projectiles, for the Navys MK262MOD0 in 1999. The Sierra 77 gr Match King was eventually the winner, becoming the MK262MOD1.
Me thinks that the Powell River bullet construction was sold off to Dynamic Research Tech LLC (DRT) for thier line of Terminal Shock Frangible lead free pistol and rifle ammo.
"

https://www.ar15.com/ammo/project/ammo_cross_sections/5.56_87gr_PRL_01.jpg
View Quote


Thats the one I was thinking of.  

OP:  From the sounds of it, it is magazine length?  or?    
6/25/2020 5:28:35 PM EDT
[#8]
This is only 2 grains heavier that Barnes 85gr Match Burners; and they are mag length factory ammo.
6/25/2020 6:41:00 PM EDT
[#9]
OP:
You mentioned they were used in mk12's, so I assume they are magazine length but can you confirm?
6/30/2020 4:19:40 PM EDT
[#10]
Quoted:
Has anyone seen or used this ammo?

It is not the 85 grain Barnes.  

It is loaded in a brown cardboard box.  Black Hills Ammunition. 30 cartridges. CAL 5.56. 87 grain Barnes Projectile.  Lot BLH098 168-001

2007 LC head stamps.

A friend picked up a 720 round ammo can from a buddy who attended a class. It is an OTM bullet.  

I have not heard of it before.
View Quote



Randomly found this. Save it if you want it.



@QCB
7/1/2020 12:44:32 AM EDT
[#11]
From my friend.  90 degrees.  1100 feet elevation.  Windy.

Chronographed four rifles. All 1-7 twist. 4 groups each.

20 inch A4 2638 fps. SD 18.2

18 inch Mk 12 with can 2597 fps. SD 15.7

16 inch 2505 fps.  SD 19.4.

10.3 inch Mk 18 w surefire can. 2251 fps.

Mag length.
7/1/2020 2:56:16 PM EDT
[#12]
16" velocity checks out.

Nosler 85gr RDF 16" 24gr TAC 2.260" 2478 fps

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