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Posted: 3/28/2023 7:48:43 AM EST
[Last Edit: Yojimbo]
I just noticed PSA is selling 77gr, OTM 5.56 ammo.  It's less expensive than their 77gr, 5.56 with the SMK bullet.  

I am curious how well it shoots compared to the SMK version.

Here is the ammo in question.

https://palmettostatearmory.com/aac-5-56-nato-77-grain-otm-20rd-box-ammunition.html
fnh
Link Posted: 3/28/2023 8:06:12 AM EST
[#1]
I had the same question.  At first I thought it was the same 77gr as before just cheaper.

Here is an archived thread I found on it:
https://www.ar15.com/forums/General/PSA-AAC-77-gr-OTM/5-2587938/
Link Posted: 3/28/2023 8:10:08 AM EST
[#2]
AAC 5.56x45mm, 77gr OTM, MK262 Mod 1 Clone!
Link Posted: 3/28/2023 8:10:39 AM EST
[#3]
Mrgunsandgear did a review on it.

Link
Link Posted: 3/28/2023 9:06:30 AM EST
[#4]
Those videos appear to be reviews of the 77gr Sierra Matchking (even though the one video title is OTM).

I bought a few boxes of the 77gr SMK for around $14.99 (I think) and the 77gr OTM were listed at $11.99 (I think).  I wish I would have bought some when I saw the email yesterday because it looks like they are sold out already!
Link Posted: 3/28/2023 9:22:28 AM EST
[#5]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Neomonk21:
Those videos appear to be reviews of the 77gr Sierra Matchking (even though the one video title is OTM).

I bought a few boxes of the 77gr SMK for around $14.99 (I think) and the 77gr OTM were listed at $11.99 (I think).  I wish I would have bought some when I saw the email yesterday because it looks like they are sold out already!
View Quote


The Sierra MatchKing bullet is an Open Tip Match design.
Take note that the offerings by AAC are ~150 fpm less that the IMI 77gr SMK OTM LR MOD 1
Link Posted: 3/28/2023 9:44:29 AM EST
[#6]
If they're generally the same 77-grain bullet I wonder if the cheaper ones are loaded with Sierra blems.
Link Posted: 3/28/2023 10:06:59 AM EST
[Last Edit: SuperJlarge] [#7]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Sinister:
If they're generally the same 77-grain bullet I wonder if the cheaper ones are loaded with Sierra blems.
View Quote



That’s what I was wondering, or if they did an in-house bullet. I’ve got some of the non smk marketed 77gr OTM’s on the way to compare to the AAC 77gr SMK’s.
Link Posted: 3/28/2023 10:27:27 AM EST
[#8]
I clicked on the ad in the mass email from PSA yesterday morning before 0600 CDT and they were sold out then. It appears to me it is most likely a different bullet than the SMK--as those rounds are listed separately and at a different price. I am very curious as to what bullet this new offering is loaded with as well.
Link Posted: 3/28/2023 11:22:54 AM EST
[#9]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HomeAtLast:


The Sierra MatchKing bullet is an Open Tip Match design.
Take note that the offerings by AAC are ~150 fpm less that the IMI 77gr SMK OTM LR MOD 1
View Quote



Ah, I see.  Thanks for the clarification!

It's confusing because the boxes are labeled "77 Grain Matchking" and "77 Grain OTM" but the videos titles don't line up with the label on the ammo boxes that they show.  I just don't want people to think they are watching a review for one thing but it's actually about another.
Link Posted: 3/28/2023 11:29:42 AM EST
[#10]
The SMK’s have Sierra’s name on the box. The latest offering does not, but does say Precision.

Link Posted: 3/28/2023 2:06:40 PM EST
[#11]
I asked about it in the industry forum and haven't heard back yet
Link Posted: 3/28/2023 4:16:35 PM EST
[#12]
Sellier and Bellot makes 5.56x45mm, with a 77gr OTM bullet that they say is NOT a Sierra SMK and is made in the Czech Republic.  So an SMK Clone??

Just speculating that perhaps this is the cheaper 77 grain bullet being utilized by PSA/AAC for their lower priced offering.
Link Posted: 3/28/2023 9:59:20 PM EST
[Last Edit: ct78] [#13]
Not sure if it will turn out to be a wise decision or not but I’m probably going to do an order of 500rds.

At the price they are selling them, that’s close to what local shops sell their cheap stuff for.

I’m hoping this is 90% as good as a SMK and can eventually standardize on a 77gr round around 50cpr
Link Posted: 3/29/2023 7:14:33 AM EST
[#14]
^^

Just placed an order for 500rds as well.  Figured the same thing in terms of price per round however they change tax and shipping so the price per round is around $.608.  
Again will give it a shot and see how well it performs.
Link Posted: 3/29/2023 9:28:26 AM EST
[#15]
I was able to buy 5 boxes of the OTM this morning.  I already have a few boxes of the Matchking.  Once I get the OTM and find time to go to the range, I'll compare the two.
Link Posted: 3/29/2023 9:43:03 AM EST
[Last Edit: Yojimbo] [#16]
I ordered a couple hundred rounds of 77gr OTM "Precision' ammo this morning too.

The price is really good too!
Link Posted: 3/29/2023 10:10:51 AM EST
[#17]
Got an answer from PSA. It is an AAC bullet
Link Posted: 3/29/2023 1:43:06 PM EST
[#18]
Their in-stock status fluctuates a lot day to day.

Yesterday I got lucky and put my order in even before I got an in-stock notification.

I’ll be interested in seeing how each of their three offerings performs and compares between the 77gr SMK (77cpr), 75gr BTHP (62cpr), and 77gr OTM (55cpr).

Like someone else mentioned, after ship & tax their newest 77gr OTM is about 61cpr shipped.

It’s kind of exciting to be part of the initial buy group on this new load. If it’s anything close to the performance of an average 77gr SMK I will be so thrilled to have access to an affordable precision round.
Link Posted: 3/29/2023 8:24:26 PM EST
[#19]
I have 160 rounds of the OTM headed my way. Will push it out to 600yds on steel and electronic targets next Thursday.
Link Posted: 3/30/2023 9:32:54 AM EST
[#20]
In the "general" forum there are replies from PSA.   This product uses a PSA bullet rather than SMK.   Product availability fluctuates frequently because they are now in production and release more product every day.   They claim that they will soon be selling the bullets for re-loaders once their production of complete rounds catches up with demand.

Link Posted: 3/30/2023 1:16:13 PM EST
[#21]
G1 BC is listed as .362, which is where the 77gr SMK falls at the same velocity.
Link Posted: 3/31/2023 8:26:54 AM EST
[#22]
I shot some of this without any issue. It was decently accurate. On the flip side, I had a buddy who was blowing primers left and right with this stuff this past weekend. Multiple guns, multiple BCG's. Use with caution...
Link Posted: 3/31/2023 8:31:17 AM EST
[#23]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By msnyder0609:
I shot some of this without any issue. It was decently accurate. On the flip side, I had a buddy who was blowing primers left and right with this stuff this past weekend. Multiple guns, multiple BCG's. Use with caution...
View Quote


Any details of the builds/barrel brands?

Also, are you sure it was this ammo? I don’t think it was released until earlier this week, so it wasn’t available last weekend. Was it the AAC 77gr w/ SMK’s that you were using?
Link Posted: 3/31/2023 1:00:57 PM EST
[#24]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:


Any details of the builds/barrel brands?

Also, are you sure it was this ammo? I don’t think it was released until earlier this week, so it wasn’t available last weekend. Was it the AAC 77gr w/ SMK’s that you were using?
View Quote


The first email I received about this ammo was on 3/27 so I don't think it was available before that, unless they somehow got some before it was released for testing.
Link Posted: 3/31/2023 1:27:40 PM EST
[#25]
Mine says it should arrive tomorrow.  We'll see.  Sadly the weather sucks.
Link Posted: 3/31/2023 11:15:32 PM EST
[#26]
I received my order earlier today. I’ve only opened 7 boxes so far. Since case dents was a topic of discussion with their previous 77gr loading, I’ll address what I’ve seen thus far. Some of the cases have very faint dings/marks near the shoulder, but nothing major. That said, 1 case has a very bad dent. I won’t be firing that case, but will break it down to evaluate the charge weight.





77smk left, AAC 77 OTM right
Link Posted: 4/1/2023 7:25:38 AM EST
[#27]
Wow that dent is really bad.
Link Posted: 4/1/2023 8:55:34 AM EST
[#28]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:


Any details of the builds/barrel brands?

Also, are you sure it was this ammo? I don’t think it was released until earlier this week, so it wasn’t available last weekend. Was it the AAC 77gr w/ SMK’s that you were using?
View Quote


Correct, SMKs. I didn't know they released a version with their own projectile.

I know one barrel was a 14.5 Criterion. The other i think was an 11.5 Ballistic advantage.

Link Posted: 4/1/2023 9:16:35 AM EST
[Last Edit: Molon] [#29]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:
That said, 1 case has a very bad dent. I won’t be firing that case, but will break it down to evaluate the charge weight.


https://i.imgur.com/1eU5keY.jpg

View Quote

So they still haven't got that problem worked out.
Link Posted: 4/1/2023 9:30:48 AM EST
[#30]
Link Posted: 4/2/2023 12:52:36 PM EST
[Last Edit: SuperJlarge] [#31]
First groups of the day


Checking zero





Link Posted: 4/2/2023 1:00:24 PM EST
[#32]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:
First groups of the day

Checking zero

https://i.imgur.com/iLlRJSp.jpg

https://i.imgur.com/7beIanJ.jpg
View Quote

From a semi-automatic AR-15?

...
Link Posted: 4/2/2023 4:04:48 PM EST
[#33]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:
First groups of the day


Checking zero

https://i.imgur.com/iLlRJSp.jpg



https://i.imgur.com/7beIanJ.jpg
View Quote


This looks promising so far. I should be able to inspect my order this upcoming weds or thurs
Link Posted: 4/2/2023 4:44:15 PM EST
[#34]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Molon:

From a semi-automatic AR-15?

...
View Quote


Baseline testing with my bolt gun. It appears that part was erased from my post when I added the pic.
Link Posted: 4/2/2023 4:49:43 PM EST
[#35]
Fully semi-automatic

18” Rainier Ultramatch





18” Rainier Rock Creek blank



I’d cleaned the barrel prior to this trip and used target 1 to foul the bore. Three groups from my bolt gun are also included on this target.
Link Posted: 4/2/2023 4:56:04 PM EST
[#36]
Link Posted: 4/2/2023 5:43:00 PM EST
[#37]
This will quickly become Americas go to round.
Link Posted: 4/2/2023 6:01:42 PM EST
[#38]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jman_JJE:
This will quickly become Americas go to round.
View Quote


It would be nice to eventually have 1K baselined at all times. For the price that’s very manageable

Would love to see AAC make a sub $1/round .308 175gr equivalent next year!
Link Posted: 4/2/2023 6:09:39 PM EST
[#39]
Originally Posted By ct78:


It would be nice to eventually have 1K baselined at all times. For the price that’s very manageable

Would love to see AAC make a sub $1/round .308 175gr equivalent next year!
View Quote


We are working on that and 6.5 creedmor right now
Link Posted: 4/2/2023 6:20:42 PM EST
[Last Edit: Molon] [#40]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jman_JJE:
This will quickly become Americas go to round.
View Quote

It might be a good idea to get your brass problems and terrible velocity extreme spreads and standard deviations figured out, before making claims like that.

metalsaber's picture





metalsaber's chronograph data:

AAC 77gr OTM - Std Dev: 38ft/s, Ext Spr: 117ft/s

2771
2674
2731
2654
2670
2705
2697
2669
2744
2748

.....
Link Posted: 4/2/2023 6:38:54 PM EST
[#41]
Originally Posted By Molon:

It might be a good idea to get your brass problems and terrible velocity extreme spreads and standard deviations figured out, before making claims like that.

SuperJlarge's picture
https://www.ar15.com/media/mediaFiles/57852/464B916B-1460-46E9-BBFC-1B65E00118DC-2766631.jpg




metalsaber's chronograph data:

AAC 77gr OTM - Std Dev: 38ft/s, Ext Spr: 117ft/s

2771
2674
2731
2654
2670
2705
2697
2669
2744
2748

.....
View Quote


We have already figured out the brass issue and are making a rolling change when the new packaging machine comes in.

With the accuracy and price point of .55 cents per round this will be America’s go to round across the board.
Link Posted: 4/2/2023 6:50:35 PM EST
[#42]
I ordered a couple hundred rounds last week - it didn't arrive in time for this weekend's matches, but I also failed to order replacement rods and diffusers for my chronograph, so it might be just as well.  If it groups as well in my rifles as it did for SuperJlarge, then it's definitely going to be my choice for the various gas gun matches and I won't even bother trying to reload this season.
Link Posted: 4/2/2023 7:40:06 PM EST
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jman_JJE:


We are working on that and 6.5 creedmor right now
View Quote



Outstanding!!

Next you’ll be telling us you’re working on 6arc as well.
Link Posted: 4/2/2023 7:43:22 PM EST
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:
I received my order earlier today. I’ve only opened 7 boxes so far. Since case dents was a topic of discussion with their previous 77gr loading, I’ll address what I’ve seen thus far. Some of the cases have very faint dings/marks near the shoulder, but nothing major. That said, 1 case has a very bad dent. I won’t be firing that case, but will break it down to evaluate the charge weight.

https://i.imgur.com/dhXa6c7.jpg

https://i.imgur.com/1eU5keY.jpg

77smk left, AAC 77 OTM right
https://i.imgur.com/D3o84Uz.jpg
View Quote


Goddamn. That’s the worst dent I’ve seen. That’s not from packaging.
Link Posted: 4/2/2023 7:53:14 PM EST
[#45]
Originally Posted By FightingHellfish:


Goddamn. That’s the worst dent I’ve seen. That’s not from packaging.
View Quote


It is, it’s an industrial machine that uses steel gears to catch and align the rounds. It sometimes grabs the brass wrong and pinches/binds it. We are working on changes but it is causing the problem. The machine is the size of a small school bus and the rounds go in a hopper.
Link Posted: 4/2/2023 7:55:53 PM EST
[Last Edit: Molon] [#46]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By FightingHellfish:
Goddamn. That’s the worst dent I’ve seen. That’s not from packaging.
View Quote

The "rolls" in the brass, shown at the red arrows, are not from packaging.



...
Link Posted: 4/2/2023 8:40:03 PM EST
[#47]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:


Baseline testing with my bolt gun. It appears that part was erased from my post when I added the pic.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SuperJlarge:
Originally Posted By Molon:

From a semi-automatic AR-15?

...


Baseline testing with my bolt gun. It appears that part was erased from my post when I added the pic.



Guessing you didn’t get chrono data on it? Curious how velocity compares to the SMK version. I’d assume similar.
Link Posted: 4/2/2023 8:41:25 PM EST
[#48]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jman_JJE:
This will quickly become Americas go to round.
View Quote


Are you guys planning to keep the SMK version stocked as well or are you discontinuing the SMK version for the AAC projectiles? Any performance/fragmentation info on the AAC projectile?
Link Posted: 4/2/2023 8:48:39 PM EST
[#49]
Seating depth looks to vary some as well.
Link Posted: 4/2/2023 8:52:17 PM EST
[#50]
Originally Posted By JAG05:


Are you guys planning to keep the SMK version stocked as well or are you discontinuing the SMK version for the AAC projectiles? Any performance/fragmentation info on the AAC projectile?
View Quote


We are keeping the SMK version as well as launching the TMK and 70gr TSX this month.

We will be releasing performance results on the 77gr OTM and several other rounds we are releasing over then next several months.
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