PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020

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PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020


Quick Overview

It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.

WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to (CA Health and Safety Code Section 25249.6).

SKU: 507020
UPC: 507020
MFR#: 507020

10.5" Barrel Length
Carbine Gas System
Nitride Treated Barrel
Chrome Moly Vanadium barrel steel
5.56 NATO Chamber
1 in 7" Twist Rate
PSA Standard Handguards
F-Marked Front Sight Post
A2 Flash Hider 
Forged Upper Receiver
Weight as Configured: 2.9 lbs

**Upper Does Not Include BCG or Charging Handle. 

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Barrel: 10.5" chrome moly vanadium barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system.  Nitride treated for accuracy and durability. This barrel is finished off with a classic carbine-length handguard, F-Marked gas sight base, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.

**Upper Does Not Include BCG or Charging Handle

SKU: 507020
SKU 507020
Department Uppers
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Unit Price No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 507020

Questions and Answers

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Browse 33 questions Browse 33 questions and 102 answers
I wish to use this in NRA Service Rifle competition. What else would I need?
nite f on Jul 25, 2019

This is a 10.5" pistol upper. You would need a complete pistol lower for it. If you need a rifle, this is the wrong product to start with.

Best Regards,
(Name Redacted)
PSA Customer Service
Can Palmetto state armory confirm the steel type for this barrel? 4140 or 4150? It would be nice if it was just listed in the description
mikey on Jul 10, 2018
BEST ANSWER: Virtually all of their barrels are 4150. Just compare it to the majority if other ar pistol barrels, PSA sometimes forgets to add a few details.
Does the Nitride finish extend barrel life?
Gary S on Jan 22, 2019
BEST ANSWER: Absolutely. Nitriding resists corrosion and wear better than chrome and phosphate. Nitriding last longer as well because it is a treatment rather than a coating. As far as i'm concerned it is the best finish you can get for a barrel for durability and longevity but what do i know, i'm only a gunsmith.
Will this accommodate a bayonet?
Patrick H on Feb 18, 2019
BEST ANSWER: No, the gas block sits too far out due to the short barrel.
Is the A2 flash hider removable?
charles on Apr 22, 2018
BEST ANSWER: yes it is removable, not pinned and welded.
What Steel is used for the Nitrided 10.5" - 4140 or 4150? Really interested in knowing, thank you!
BryGuy418 on May 23, 2018
BEST ANSWER: They only use 4150 now. In all their barrels
Is the front sight post pinned?
tj j on Mar 28, 2019
Is the A2 flash hider removable, or is it welded on?
charles on Apr 22, 2018
BEST ANSWER: its removable, not pinned and welded.
Does this ship to California? And which lower does it work best with?
Greg B on Apr 5, 2019
BEST ANSWER: Yes, I've bought plenty of uppers and had them shipped to my door. The lower receiver (which this doesn't come with) is the one that requires an FFL. You're good to go! Remember you'll need BCG and charging handle to complete the upper. You need to remove the flash hider, install and pin a different muzzle break on this upper though to be compliant.
Do the handguard come with heat shield?
Orlando N on Dec 15, 2018
BEST ANSWER: Yes, the hand guard has aluminum lining it to keep the heat away from your hand
Is the hand guard free float?
Charles E on Oct 30, 2018
BEST ANSWER: No Charles this upper does not have a free float rail. There are other uppers that come with a free float rail on the website.
Circle or tringale gas cap?
William J on Sep 16, 2018
BEST ANSWER: Circled with notches cut , .750 .
How long is the handguard? I wamt to put an M4 RAS on it instead.
Alex S on Aug 28, 2018
BEST ANSWER: It is a carbine length hand guard and gas tube. Any carbine length hand guards will work. They are approximately 6.75 inches in length.
Is the barrel nitride inside as well or is it uncoated?
Nate L. on Jun 7, 2018
BEST ANSWER: The entire barrel is Nitrided inside and outside. All Nitride barrels are this way.
What size quad rail would I need for this and would I need to change the barrel nut to use a Hera Arms Quad rail?
August H on Nov 12, 2018
BEST ANSWER: You would need a carbine length hand guard. You would need to change the barrel nut for the Hera.
Midwest industries has a two piece drop in free float quad rail as does Centurion Arms.
Does this that T-marks on the upper receiver rail?
Chris p on May 3, 2019
Does this upper have a Triangular or Round Forend retainer?
Michael on Jan 30, 2019
BEST ANSWER: I have several of these uppers and they are all pistol length gas systems with round forend retainers.
Would a carbine 2 piece drop in quad rail work on this upper?
Hillbilly D on Nov 21, 2018
BEST ANSWER: any ar15 upper over 10.5 inches has a standard carbine gas system and handguard. so absolutely a drop in handgaurd fits. check out the AU version
Does this have the palmetto logo on the upper?
colby on Oct 19, 2018
BEST ANSWER: No. I bought on a few months ago
AR15 noob here -- could I put this upper atop an m16 complete lower?
Wesley on Aug 17, 2019
BEST ANSWER: although Will function, that would be illegal. That would make it an SBR and requires ATF approval and doc stamps.
what kind of rear sight will I need to match front?
Bill G on Aug 4, 2019
BEST ANSWER: We use the standard MagPul MBUS rear sight. The Ruger Rapid Deploy rear sight will also work.
Does it come assembled as pictured?
Juan C on Apr 19, 2019
BEST ANSWER: Mine was assembled as pictured
Does this upper come with a downer?
dead nuts on Aug 16, 2019
BEST ANSWER: No, it does not. The upper here in question is nothing but pure upperyness and, thus, there is no room left for any downers whatsoever.
Can this be shipped to Colorado?
Jairo P on May 16, 2019
BEST ANSWER: Yes. A2 front sight post.
What is the OAL of this upper?
JIM C on May 14, 2019
BEST ANSWER: After all put together the AR15 was 14"
Is this item HBAR barrel?
James B on Apr 18, 2019
BEST ANSWER: No, regular gov't profile barrel.
Does it come with a front sight post?
Langston P on May 5, 2019
BEST ANSWER: Yes. A2 style
I’m wanting to add an adjustable gas block. Does anyone know what the Diameter on this barrel is?
I’m thinking .750
Nelson on Apr 27, 2019
BEST ANSWER: Yes, it's a .750
Will this accept an A4 carry handle with adjustable sight?
Juan C on Apr 25, 2019
Any issues putting a suppressor on this upper?
Robert F on Apr 24, 2019
BEST ANSWER: There should be no issues at all with adding a suppressor.


4.8 / 5.0
173 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
excellent build quality.
Precise fit to PSA's enhanced trigger SBA4 lower. I put a green dot sight on it and took it out to the range today. From a rest, shooting at 100 yards into a 6" flourscent dot I was getting 2.5-3" groups with 55 gr mil surplus ammo. This is as good as I need. Good work, PSA.
August 5, 2019
1 month ago
Really good
The 10.5" barrel is a good length to go with, dont go any shorter. I only gave it 4 stars because I changed the handguard for a Magpul carbine handguard. I also don't like how PSA keeps changing the price, just keep it at $150, and it will sell like hot cakes in my opinion.
August 2, 2019
1 month ago
Bought mine for a .22 cal. conversion project. Well pleased. Nothing is better than having an AR style pistol. R. Klein.
July 25, 2019
1 month ago
Can’t go wrong with this upper
Performance is stellar.
No hiccups, ftf’s nothing, absolutely flawless!
July 18, 2019
5 months ago
Came in exactly as advertized, a great buy.
July 10, 2019
3 months ago
Awesome pistol upper!
Never thought I would want an AR15 pistol until I saw Mrgunsandgear post a deal on this PSA pistol upper. Lucky for me, a couple weeks later PSA had a deal on their pistol lower. In my opinion, this is the perfect "truck gun". Love this little pistol!!
User submitted image
Added Jul 1, 2019
July 1, 2019
4 months ago
Love this thing!
This is a great upper for a great price. I have about 700 rounds through it so far with zero malfunctions or issues whatsoever. Definitely recommend this for a budget pistol build.
User submitted image
Added Jul 1, 2019
July 1, 2019
3 months ago
Good 💩
I have only put around 100 rounds down range but so far so good.
User submitted image
User submitted image
June 29, 2019
3 months ago
Nice upper and BCG. I would recommend over many more expensive brands. It shoots accurately.
So far so good. Looks like the original Colt MK18 Mod0. Shoots well at 100 yards with iron sights 3” groups off bench rest. Vortec optic should tighten that grouping. Using Magpul magazines not one Fail to feed or fire 100 fist rounds using M855 62gr ammo or with frontier 75gr match ammo. Cant beat that for the price $199 upper plus $59 BCG
June 25, 2019
3 months ago
Hundred percent correct. Front sight was perfectly straight. Nitride finish was awesome.
June 23, 2019
3 months ago

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