PSA 16" midlength magpul ar15 kit with black moe hand guard.

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PSA 16" Midlength 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS - 516444983

In stock

Special Price $ 369.99

Regular Price: $ 599.99

Quick Overview

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to (CA Health and Safety Code Section 25249.6).

SKU: 516444983
UPC: 516444983
MFR#: 516444983

PSA 16" Midlength 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS - 516444983

Gas System: Mid-Length
Barrel Profile: A2
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: none
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1 in 7"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: F-marked Front Sight Base
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand guard Type: Magpul MOE Black Handgaurds
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full Auto
Charging Handle included: Yes
Rear Sight: Magpul MBUS Rear Flip-Up Sight
Overall Length: 24.5"

Add To:

Barrel: Nitride finished 4150V chrome moly vanadium 16" barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. Barrel is is finished off with Magpul MOE Mid-length handguards, 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 for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected,  Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.  8620 steel M-16 profile carrier is chrome lined and phosphate coated.

Build Kit: PSA EPT MOE Lower Build Kit

Includes Magpul MOE Stock,  Pistol grip, and trigger guard, Palmetto State Armory EPT  Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly.

EPT Lower parts kit upgrades the standard combat-style fire control group with a single-stage, target-style,  fire control group with polished contact surfaces and a electroless nickel coating.

Everything you need to finish your stripped lower!

Includes: Magpul® MBUS Rear Sight, Black

SKU: 516444983
SKU 516444983
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: 516444983

Questions and Answers

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Browse 40 questions Browse 40 questions and 135 answers
will 5.56 and .223 function in this build ?
wayne s on Aug 31, 2018
BEST ANSWER: Jiminy CHRISTMAS!!! How can people even CONSIDER buying a kit like this and not know even the BASICS of the AR and its chambering? Go use the GOOGLE and learn something.
Can the front sight post be removed without changing anything else?
Daniel S on Aug 8, 2018
BEST ANSWER: This guy, Daniel S, has asked the forum 5 questions so far. 3 out of those 5 are asking, "can the front sight post be removed..." DUDE... what is is with you and front sight posts???
Why would you be buying a complete upper like this just to remove the front sight post? And if you don't already know if these front sight posts can be removed, you've got no business trying it.
Other than the FN barrels, does PSA make their own barrels in the USA?
Joe P on Apr 24, 2018
BEST ANSWER: Yes, PSA barrels are made in South Carolina.
what is the handguard length on this kit 6 or 12"?
Kenneth B on May 26, 2018
BEST ANSWER: The description says, "MIDLENGTH." So, it's not 6" (carbine length) or 12" (rifle length). It's MIDLENGTH length, which is 8.6"
Does this upper come with a FN barrel?
D D on Apr 20, 2018
BEST ANSWER: No, this upper has a 1:7 Nitrided PSA barrel with a midlength gas system. FN barrels are a part of PSA's "Premium/CHF" line.
I just received this rifle kit, and it said the bolt carrier was chrome lined, and phosphate coated. Mine was neither it was nitride coated. Did they change the specs without saying?
Samuel M on Jul 13, 2019
BEST ANSWER: The portion of the carrier where the bolt interfaces the carrier is chrome lined per military specification, not the whole bolt. If you got a nitride bolt carrier, it was likely an accident because this is an upgrade to phosphate.
Is this a complete kit? I only have my Lower and need to build. Does this kit have everything else i need?
Alfred C on May 22, 2018
BEST ANSWER: Yes. This kit includes everything but the stripped lower and a magazine
What are the barrel markings on these uppers? Are these Freedom line, or higher tier?
Michael M on May 30, 2018
BEST ANSWER: These barrels are marked 1/7 5.56 NATO Freedom
upper reciever
Hi, I realize I have to assemble the lower reciever, does the upper come already assembled? Any tips or tricks I should know about during the assembly process?
Steve H on Mar 20, 2019
BEST ANSWER: Yupp, upper is already assembled and ready to go
Are the freedom barrels cold hammer forged?
ksab670 on Aug 28, 2018
BEST ANSWER: I do not believe they are. The description of the item will indicate CHF for a cold hammer forged barrel.
Round or triangle front hand guard plate?
Matt E on Jan 25, 2019
BEST ANSWER: The one I got several months ago was triangle.
I bought this kit because I want to learn how to put it together. Are their instructions to assist me?
Debra M on Jan 20, 2019
BEST ANSWER: Debra, this kit will NOT come with instructions. BUT, if you Google anything around 'how to build an AR,' you will find more sites with step-by-step instructions on that than you could read in a lifetime. IF YOU GO TO YOUTUBE... and search for anything like 'how to build an AR,' you will find more start-to-finish videos on that than you could ever watch. If you go to the MidwayUSA site, Larry Potterfield himself has a full series of videos of the full AR build process (and he will appreciate your business). I hope you have an armorer's wrench and a good punch set. That's the least you'll need to finish the lower.
Hi if i buy this kit can i use with different ready complete lower?
jose a on Oct 3, 2018
BEST ANSWER: Yes, but if your lower is already complete you'll have extra parts. Go to the PSA website and look for the BARRELED UPPER ASSEMBLIES. There are a lot of choices so it depends on what you're looking for.
Is this kit full auto once built will it have a fully automatic setting???
Carlos on Dec 5, 2019
BEST ANSWER: It absolutely will, in fact the selector has settings for airsoft and peanuts as well. You need to be 21 years old to buy this so please check with your parents first. Good luck.
what is needed to complete build ?
james b on Mar 2, 2019
BEST ANSWER: A MAC tool set, a stripped lower and a degree in engineering.
moe trigger gaurd made of aluminum or polymer?
Michael M on Feb 13, 2019
BEST ANSWER: Polymer and seems plenty sturdy I’m very happy with my build.
So besides the stripped Lower, this kit includes everything you need to fully assemble the AR-15?
Jacob P on Jan 6, 2019
BEST ANSWER: Absolutely. All else you would need is some sights, a mag, ammo, and I always recommend training.
Hi what barrel finish recommend nitride or phosphate? And if i buy this kit its hard to assemble the lower?
jose a on Oct 3, 2018
BEST ANSWER: I personally prefer nitride for the sole reason that it is newer. You would be fine with either, the vast majority of people will never put enough rounds through their barrel for them to have to worry about replacing it.
What lower would you recommend for this unit?
G S on Jan 19, 2019
BEST ANSWER: I would recommend every mil-spec AR-15 lower ever built or that ever will be build. They will work great. OH WAIT, it's IMPORTANT... don't get the... ARRrrrrrrrggggg.
Will rifle kits ship to California?
Chad M on Dec 22, 2018
BEST ANSWER: Yes they do.
Is it possible to get a 556 NATO 1/8 twist barrel in this kit instead of the 1/7?
Southpaw on May 16, 2018
On the description it shows that the bolt carrier group profile is full auto. Does this mean it will fire in full auto? I live in California and our law makers will have their panties in a bunch if I purchased one of these.
Joel C on Mar 13, 2019
BEST ANSWER: It would be good for you to take about 5-1/2 minutes to search the Google for how an M16 functions to see everything else it needs besides a full-auto profile BCG to work.
will this along with a stripped lower and a couple mags be all I need for a complete build?
kmann on Sep 6, 2019
BEST ANSWER: Yes, this is everything minus the stripped lower. Add a lower, a mag and a bullet and it will go bang.
Can I use any stripped AR lower?
William M on Dec 29, 2019
BEST ANSWER: Yes. You can build this rifle with any milspec stripped AR15 lower.
What does “EPT” stand for?
Eric S on Mar 23, 2019
BEST ANSWER: Enhanced polished trigger. Mil-spec trigger that has been polished and has a nickel finish.
Is the barrel 16” without the flash hider? And can it be removed on this barrel?
Salvador C on Apr 3, 2019
BEST ANSWER: Yes, and yes. The only ones that are what you are describing are 14.5" that have been permanently pinned and welded to make the new legal over all length 16". If you remove the flash hides you will need a new crush washer to properly reinstall it.
What is the trigger pull on this particular kit?
John D on Feb 18, 2019
BEST ANSWER: The EPT trigger is still, basically a mil spec trigger with additional polishing and a nickel coating, just like the description says. Mil spec triggers can have a pull weight from 7 to 9 pounds. The purpose of the EPT process is not to reduce the pull weight, even though it does. The polishing and coating are intended to smooth the pull and improve the break. The side effect is that the pull weight is probably down to 5 or 6 pounds.
Does anyone know what size buffer is in this?
Alexander G on May 24, 2018
BEST ANSWER: Mill spec tube, carbine weight buffer.
Do you recommend a Gen 2 Lower?
Richard on Mar 27, 2019
BEST ANSWER: I have used it with different lowers Anderson, spicks,80% and they all work fine
Does the forgrip utilize original MOE slots or the newer MLOK style slots?
Mark F on Dec 7, 2018
BEST ANSWER: They're Original MOE slots. Thanks


4.8 / 5.0
240 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
First AR Build
PSA stripped lower + complete upper build.

Very satisfied. Will be back to PSA 100%.
PSA stripped lower + complete upper build. 
Very satisfied with this. Will be back to PSA.
PSA stripped lower + complete upper build. Very satisfied with this. Will be back to PSA.
February 20, 2020
1 month ago
Great product
Really like this kit. All went together fast and easy. Would recommend this kit to anyone looking for a decent set up for not alot of money.
February 18, 2020
2 months ago
Solid Mid-Length
It's a solid mid-length and matched-up perfectly with my PSA "Virginia" lower....I did put a MOE carbine length fixed stock on it. No issues as far as function and accuracy goes. GTG. :)
Mid-length Parts Kit
Mid-length Parts Kit
February 18, 2020
2 months ago
exactly as advertised.
This is a quality kit. Everything was exactly as advertised. My only complaint is that parts of the upper have a glossy finish. I would have much preferred an all matte or flat finish. For the price it was definitely a good purchase, and I cant complain too much.
February 18, 2020
2 months ago
February 10, 2020
1 month ago
It’s seems like the perfect rifle build for the money. I’ll know more as I put rounds down range at some evil pieces of paper
Fit nice on my spikes lower. I haven’t got to shoot it yet but if feels great!
Fit nice on my spikes lower. I haven’t got to shoot it yet but if feels great!
February 9, 2020
1 month ago
Great addition to my collection. Highly recommend
February 6, 2020
1 month ago
Really happy with my first build. Great budget rifle matches up great with my Spikes Tactical lower
Really happy with my first build!!!
Great budget build really happy with the result!!
January 30, 2020
1 month ago
Favorite Build
I think this is my favorite build yet. Coupled with a $29.99 lower from PSA, a single point sling and a red dot sight, what more can you ask for.
January 26, 2020
2 months ago
Tremendous Value
Let me just say... I have bought many lower parts kits and things from PSA. They were always pretty good. But I’m impressed with the quality of this upper. It’s the first upper, BCG, etc that I bought from PSA that was actually their brand. I’m impressed. Don’t get me wrong. It’s not DD or BCM. But it’s also 1/2 the price...
From a value perspective— I don’t think you can buy a more reliable product at this price point. I’d venture to say short or LMT, DD, BCM, and laRue— PSA has got everyone beat.
January 25, 2020
2 months ago

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