PSA 7" 5.56 NATO 1/7 MOE "Marauder" Pistol Upper - NO BCG or CH - 7790284

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PSA 7" 5.56 NATO 1/7 MOE "Marauder" Pistol Upper - NO BCG or CH - 7790284


Quick Overview

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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.

SKU: 7790284
UPC: 7790284
MFR#: 7790284

7" Barrel Length
4150V Chrome Moly Vanadium barrel
5.56 NATO Chamber
1 in 7" Twist Rate
Forged Upper Receiver 
Nitride Barrel Finish 
PSA patent pending muzzle device

Magpul "MOE" carbine length M-Lok handguards

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Introducing the new “MOE Marauder” pistol upper exclusively from PSA!  The MOE Marauder upper is designed to function with a red dot or holographic optic.  It does not have provisions for a front sight to be mounted on the barrel.   The perfect upper for your registered AR-15 SBR or AR-15 pistol!

Barrel:  7" 4150V Chrome Moly vanadium steel, nitride treated for durability and chambered in 5.56 NATO with a 1 in 7" twist. Pistol length gas barrel is finished off with a Magpul MOE M-Lok carbine length handguard, a low profile gas block and a patent pending PSA muzzle device designed to hold the handguard endcap in place.

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


SKU: 7790284
SKU 7790284
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 7790284

Questions and Answers

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Browse 22 questions Browse 22 questions and 65 answers
can you install a carbine length quad rail to the psa marauder?
cesar on Apr 21, 2018
BEST ANSWER: Yes you can. I have a drop-in 2 piece carbine length quad rail on mine.
ETA on when this will be back in stock?
Gunnar D on Sep 26, 2018
BEST ANSWER: Right now. I just bought one.
What am I going to need to complete the upper?
Cody P on Aug 19, 2018
BEST ANSWER: You will need a bolt carrier group and charging handle. Also what ever optic you want to run on there. I opted to do the psa bcg and charging handle and have been pleased with its performance
Can you remove the flash hider and install a different one?
Bryce H on May 8, 2018
BEST ANSWER: Nope. You would have to change the handguard to a free float system.
Not having BGC does it need
To be sent through a FFL to receive it?
William R on Aug 30, 2018
BEST ANSWER: This is an upper receiver. Upper receivers never need to go through an FFL regardless of whether or not they come with BCG. Only lower receivers need to go through an FFL since they are the part with the serial number.
What is the overall length?
How long is the flashcan?
Rhino on May 9, 2018
BEST ANSWER: If you install on lower with a KAK Shockwave brace it measures 24 inches
What type of grouping are you seeing out of this upper?
Ryan J on Jun 11, 2018
BEST ANSWER: That was my question as well before I purchased it. I was very surprised. It performs very well. I sighted it in at 50 yards. I have not fired it farther yet. However, at 50 yards my group was a half dollar size groups if properly stabilized and fired with strict trigger control and sight alignment. I recommend.
Does this muzzle device throw a fireball, or does it hide the flash?
RangeToys on Aug 11, 2018
BEST ANSWER: The muzzle device this item ships with is set up to hold the hand guards on as well. To answer your question, yes it throws major fireballs. It’s a good range toy or my use for it is a SBR to keep in my dozer where I work for eradication of varmits and predators. It functions flawless and looks neat.
Can you put a suppressor on It?
Phil J on Nov 27, 2018
BEST ANSWER: You can't with that muzzle device, It's made to hold the handguard on and isn't threaded. You would have to get a different handguard that is free floated and remove that muzzle device. You would probably be better off buying a different upper if you want to use a suppressor
How long does this take to recieve?
Lowlife on Dec 7, 2018
BEST ANSWER: I'm sure this is mostly influenced by your location in the country. I live in the western US and it took 10 business days for it to arrive, however it has been worth every day and every penny! Super fun addition to my collection!
does this have the normal 1/2 x 28 threads on the muzzle?
Collin F on Dec 3, 2018
BEST ANSWER: Yes, you can swap it out with any other 5.56 muzzle device.
Do they make the marauder in 9mm?
John C on Sep 26, 2018
BEST ANSWER: I don't think so. Go on the PSA site and look under AR 9, you may find an upper like it.
Can you swap out that moe handguard to magpuls new SL handguard or would strike industries 2 piece handguard fit there?
Daniel K on May 19, 2018
BEST ANSWER: most hand guards are interchangeable, though some may require their own barrel nut to proper fit
Is the muzzle device pinned?
Dave L on May 16, 2018
BEST ANSWER: NO it's not pinned, it's threaded.
Can you make the handguard in olive drab green?
Gooseman on May 7, 2018
BEST ANSWER: Usually the special Palmetto offers is the exact one that is showed on the email you received.
Different colored handguard most likely will be different price but to be sure you would have to call Palmetto customer service on the Olive Drab colored handguard price.
Own this upper and is paired with a BCM lower AR pistol receiver with BCM BCG and Radian charging handle. Used H, H2, and H3 weights with 3 different springs and 2 different types of ammo and cannot get it to cycle. Any recommendations ?
Doug S on Oct 14, 2018
BEST ANSWER: if it won't cycle with an H buffer than it's more than likely the gas system. I would check the gas block to barrel interface, it may be twisted and not allowing enough gas thru the gas tube.
Do you make a 300 blkout version?
dangloc89 d on Sep 3, 2018
BEST ANSWER: I don’t believe they make the maurader in 300 blk. It’s a pretty fun pistol in 5.56 though.
what buffer weight are you guys running in this upper?
Daniel h on Jun 8, 2018
BEST ANSWER: I use a H2 buffer. It is heavier and slows down the bcg. Also helps with some of the recoil. The buffer had two steel weights in it. Makes it a lot heavier than the standard carbine buffer.
Would an Adarms Arms xlp piston pistol
kit fit under the hand guard ?
J E on Nov 30, 2018
What size buffer weight are y'all running?
DANIEL H on Jun 7, 2018
Can this be shipped to New York State?
Steve S on May 16, 2018


4.9 / 5.0
113 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Mean, Noisy and Intimidating
With a 7" barrel and KAK style flash-can, this upper is intimidating. It wouldn't be my pick for a fire-fight, but it is fun to shoot, gets lots of inquiring glances and throws tremendous flash-bang forward. Distance accuracy is iffy because of the short 1 in 7 twist, but no one is gonna wanna challenge this badass at close range!
December 7, 2018
2 weeks ago
CHP Carry Truck gun, Anyone?
This is an excellent upper that runs flawlessly. The fit and finish are great, and it looks even better in the Magpul SL handguard. Mine has run without a hiccup for several range trips as well as two carbine courses; about 1300 rounds total so far, mostly steel case.

The bolt I'm using is a PSA premium logo'd full-auto bolt and the lower is their standard pistol lower with Magpul furniture. I'm currently running mine with a Bushnell TRS-25 sight on a 0.83" riser but have used a Luepold DeltaPoint and a Holosun optic as well, all with Borat level great success.

This thing is loud, spits out a nice fireball, and is very maneuverable in a vehicle...just don't fire it while inside the vehicle unless you really want to feel your teeth rattle.
December 5, 2018
Get one today
Excellent value and reasonable shipping time. Lots of flash down issues.
November 30, 2018
2 months ago
Great value great unit for the wonderful price
Super smooth bcg ran smooth crisp reset safety crisp and no rattles fits lower like a glove no gaps between the lower and upper hand grip is super beefy and even after two mags back to back only mild warm to touch
Great value great unit.  Beefy hand grip heat is not an issue with this unit
Great value great unit. Beefy hand grip heat is not an issue with this unit
November 13, 2018
3 months ago
Fire breather!
Installed on an Anderson lower. Everything fit great, tight and no wobble. It is definitely on the loud side. When at the range, people gather to see what is throwing the fireballs!
Attached to an Anderson lower and a TiN bolt carrier.
An AR pistol that thinks it is a flame thrower.
November 10, 2018
7 months ago
The marauder is the best AR upper you will ever own
I love this marauder upper from PSA, it is my favorite AR -15 I own. I installed it on a PSA lower receiver, and I mounted a ACSS Cyclops prism red dot sight from Primary Arms on it, the best prism sight I ever owned.
User submitted image
User submitted image
November 9, 2018
3 months ago
Just plain cool
Cool design. Had to have it. I’ve ordered quite a bit from PSA and had a few hiccups along the way, but their customer service has responded well every time and I am a thoroughly satisfied customer. If you’re on the fence, just buy it!
November 3, 2018
2 months ago
Came quick and it matched up well with Anderson lower 80 rds total no issues
User submitted image
Added Nov 3, 2018
November 3, 2018
2 months ago
Marauder !
Love the look and feel of this upper ! And mated to a Shockwave brace and Trijicon Reflex it should be a handy little home defense kit !
My new Marauder mated to a Shockwave brace and Trijicon Reflex !
My new Marauder mated to a Shockwave brace and Trijicon Reflex !
November 2, 2018
3 months ago
Love it
Wicked awesome addition to my collection. It’s loud, mean, and sexy like most things in my life. Thank you PSA!
November 1, 2018
2 months ago

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