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Page AR-15 » Ammunition
AR Sponsor: bravocompany
Posted: 8/29/2023 12:15:51 AM EST
I'd tested the PSA 77SMK loading already but wanted to test it again against the other 77SMK loadings.  
So I did a few days ago.  

Again this was the PSA 77SMK load, not their OTM offering.  

The Test:  200yd, benched, 10 shots slow fire with a 20" Krieger SR barrel and M4 Scope on top.  

TLDR:  The PSA quality was poor as usual- dents dings, flattened primers etc but shot ok.  It's not running "5.56" velocities as some have suggested.
But it didn't have a bullet seated backwards like the FGM did.  The mk262 ROCKED it.  


The pictures:
https://imgur.com/a/3HfkHpd

Details:
-shot at an elevation of 5545ft.
-Conditions: warm (85F), breezy and bright.
-Rifle:  Krieger 20" SR barrel with 691rds on it, Match chamber.  Leupold mk4 scope on it.  
-shot off bench......... shoot one, dry fire one.  Bore snaked between different loads.  
-Chrono was 15ft from muzzle.  

Results, in order of shooting:
SEE PHOTOS

PSA:  10 shots ave 2753fps    SD: 16.73     GROUP: 0.99 MOA  
FGM:  ONLY 9 shots (didn't shoot the backwards bullet) ave 2706fps   SD: 30.14    GROUP: 1.064 MOA
BHA:  10shots ave: 2827fps    SD:16.00    GROUP: 0.632 MOA

Mean Radius's are listed on/in the photos.  

BHA's ammo crushed it and at what you might call "5.56" velocities.  The Brass looked good before and after.  
FGM's backwards bullet was the only defect noted with that ammo but that's doosy.
Link Posted: 8/29/2023 5:05:12 AM EST
[#1]
I appreciate you posting your results!

Could you check the picture link please? All I'm getting is a blank imgur screen.
Link Posted: 8/29/2023 9:49:03 AM EST
[#2]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I appreciate you posting your results!

Could you check the picture link please? All I'm getting is a blank imgur screen.
View Quote


You aren't the only one, lately something seems to be going on with imgur.
So it isn't the link but imgur itself..............

I'll see if I can post them another way.  
Link Posted: 8/29/2023 2:46:26 PM EST
[#3]
Lets try this:

The Ammo:
https://i.postimg.cc/gkBjZ0RH/77smk-boxes.jpg

Mk262 box:
https://i.postimg.cc/L8csx0xq/mk262-box.jpg

FGM Bad round:
https://i.postimg.cc/4yHcKhdq/FGM-bad-round.jpg

PSA Group:
https://i.postimg.cc/1zRJ8JZd/PSA-group-size-enlarged.jpg

FGM Group (9 rounds):
https://i.postimg.cc/QMnkHDmB/FGM-group-size-enlarged.jpg

BHA Group:
https://i.postimg.cc/6pFxjVqT/BHA-mk262-group-size-enlarged.jpg

Link Posted: 8/29/2023 5:02:22 PM EST
[#4]
Link Posted: 8/29/2023 7:08:43 PM EST
[#5]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
FWIW, hitting refresh ( at Imgur ) a few times showed your pics.

Pretty darned good group from the PSA ammo, especially considering the bang for your buck ratio compared to the FGMM.
Yes, can't argue with it

Interesting to see the backwards 77gr FGMM round,  could it DROP into a true 5.56 chamber, I realize your Krieger doesn't have a 5.56 chamber, but ?
Yes, that surprised me too, first I'd seen from FGM ammo ever.  But I was testing it then and fairs fair.

I ask because , could something like that "maybe" spike pressure enough to cause a kaboom if it actually chambered ?
IDK I pulled it down......... that said, IIRC I've seen people purposely shoot bullets backwards......... ???????
I'm a little surprised the FGMM SD was so high.

The BHA group is a wonderful.  I can't "read" the Lot / production info.. is that a current batch ?
IIRC the cases are WCC 17?  So yes? I looked and it's WCC 07, so I'd guess the "08" after the BHA is the YoM........ so No.  

Oops, and good shooting !
View Quote

Link Posted: 8/29/2023 10:25:42 PM EST
[#6]
Page AR-15 » Ammunition
AR Sponsor: bravocompany
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