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
SKU: 7790284

Questions and Answers

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Browse 18 questions Browse 18 questions and 49 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
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.
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 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
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.
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.
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: Maybe, but make sure to check for how the hand guard attaches. if the new hand guard has its own barrel nut, you’ll need to uninstall the nut on this one, and install the proprietary one. The muzzle shroud on this is a direct attach to the barrel by 1/2x28 threads.
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.
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.
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.
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
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
99 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Good upper grat prise
It's well worth the $$ I built it as a .22 and it is a fun gun to go plinking with. Next weekend I'm going to switch the bolt and run some 556 in it
October 17, 2018
2 months ago
Absolutely fantastic for the price, I used it for a pistol build I have been working on and it drives nails. Absolute blast to shoot and unbeatable value! If you are looking into building a pistol or a SBR build I highly recommend 10/10.
October 16, 2018
2 months ago
As always!
The quality of your products is top notch ! This was my 5th AR build, my second pistol. As ALWAYS everything is a perfect fit and your service outstanding. I recommended you to friends out west and they are ordered and love your products!
Thanks Don
User submitted image
Added Oct 16, 2018
October 16, 2018
2 months ago
Impressed with all my purchases
This was exactly what I was looking for in a pistol upper. Also purchased a nickel boron bcg and a pistol lower within a week of each other
October 11, 2018
1 month ago
like the muzzle.
Works as it should. Very nice product. Easy to handle in the car or in the house.
October 10, 2018
2 months ago
good buy, would buy again 👍
can't beat it... doesn't do bad at all.. price was good
October 6, 2018
1 month ago
The SHTF go to...
What’s not to love about this. 1000 rds without any hick ups. Great quality and fun to shoot. Don’t expect to be dropping 1” groupings outside 200 yards, but at 7”, not its intent.
October 6, 2018
5 months ago
Just what I wanted!
I haven't had the chance to shoot it yet, but I can tell you that the quality looks awesome. Fits well on my M4E1 lower with no wobble.
User submitted image
Added Sep 29, 2018
September 29, 2018
1 month ago
If you are reading this...
BUY IT! I love it. Don’t believe the negative Nancy’s that a 7” won’t work.
User submitted image
Added Sep 26, 2018
September 27, 2018
1 month ago
Performs as expected.
Runs flawlessly. Several hundred round down range with no issues.
September 26, 2018
5 months ago

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