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PSA 16" M4 Carbine 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit with Rear MBUS - ODG - 5165448974

In stock

Special Price $ 359.99

Regular Price: $ 579.99

Quick Overview

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: 5165448974
UPC: 5165448974
MFR#: 5165448974

Gas System: Carbine-Length
Barrel Profile: M4
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 Aluminum
Receiver Type: M4 Flat Top
Handguard Type: Magpul MOE Black Handgaurds, ODG
Stock: Magpul MOE Adjustable Stock, ODG
Grip: Magpul MOE Pistol Grip, ODG
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, Black
Overall Length: 24.5"


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Barrel: 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.  Nitride treated for accuracy and durability. Barrel is is finished off with Magpul MOE Carbine-length handguards in Olive Drab Green, 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, Olive Drab Green

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 an electroless nickel coating.

Everything you need to finish your stripped lower!

Includes: Magpul® MBUS Rear Sight, Black

SKU: 5165448974
SKU 5165448974
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: 5165448974

Questions and Answers

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Browse 16 questions Browse 16 questions and 49 answers
Do you guys have any complete build kits with 80% lower in 6.5 creedmore or .308?
Cliff on Aug 3, 2018
BEST ANSWER: Did you try a search of the website ?
Is it possible to take that front sight off and put a collapsible one on instead?
mwalker on Aug 31, 2018
BEST ANSWER: You can remove the front sight post assembly and add different hand guards with a built in rail. Cost involved to do these mods to your rifle may trump savings of initial purchase since Palmetto offers many uppers with flat top rail to add a collapsible front sight. Probably better just to buy one of those and save yourself the hassle.
Mid-Length versus Carbine-Length.. Thoughts???????
jimmy s on Oct 15, 2018
BEST ANSWER: Take your pick, as both are very reliable. The midlength handguard does allow a little more real estate for tactical c-clamp gripping. Now drop and give me 20.
Is this everything to completely build the AR start to finish?
Andrew P on Nov 26, 2018
BEST ANSWER: Everything but the lower receiver. You will need to purchase an AR15 Lower Receiver, the kit comes with all other pieces needed to assemble the rifle.
Can you mount anything in the upper hand guard's slots? Just wondering how useful it is for mounting a flashlight or something similar.
John D on Jan 6, 2019
BEST ANSWER: They are Mlok slots, so any Mlok accessories should work.
Anybody else have an extra spring and detent for the takedown pins? It’s my first build and I had 3 sets and only used 2.
Daniel M on Mar 19, 2019
BEST ANSWER: They always give you an extra just in case you launch one. Trust me it happens and more than once sometimes. I now have spares, I like to think of it as a perk when buying from PSA.
Does this kit come fully put together?
Matthew on Apr 14, 2019
BEST ANSWER: The upper does, the lower kit is not assembled. However there are tutorials online that are simple to fallow and with just a few common hardware tools you can have it built. You will also need to by a lower to complete your gun.
Does this kit include everything I need besides the reciver to finish the first build? Can the barrel be shortened as it is 3 peices?
Hippyfarmer on Mar 5, 2019
BEST ANSWER: It has all the part for your lower, I haven't tried to shorten the barrel or even thought about it. It shoot very nice I've have probably shot close to 2 thousand times. It was my first build. I am very pleased with it. Hope this helps.
Is the A2 Flash Hider pinned to the barrel? Asking cause I may want to have a different muzzle device.
James s on Dec 22, 2018
BEST ANSWER: The A2 Flash Hider is not pinned. As a matter of fact I removed the one on my rifle and replace it with a competition muzzle break compensator.
Does this upper work great with a bushmaster xm lower?
Clemdad on Feb 21, 2019
BEST ANSWER: It will work with any mil-spec lower, so: Yes, unless you have an anchient or out-of-spec lower.
Is the MBUS a gen 1 or gen 2?
Jimm H on Aug 7, 2018
BEST ANSWER: these are gen II.
Can you ship this in State of CT.? I am in Military what are the requirements to purchased this deal?
Airbornekid on Dec 26, 2018
BEST ANSWER: Depends on how your state laws are( if your politicians are tyrants or not)! But technically NONE of the parts in this kit are REGULATED. So can be shipped right to your door without any FFL involvement at all.
You could always check out PSA’s terms and shipping terms. That should tell you if they’ll ship to you.
Is this a standard foregrip that can be swapped with any carbine-length foregrip?
Mike S on Aug 3, 2018
BEST ANSWER: yes, these are standard carbine handguards should you choose to swap them out.
When will this be back in stock?
Kyle E on May 20, 2019
Can’ this item be shipped to a home address in California ?
Hernan C on Feb 22, 2019
George S on Feb 5, 2019


4.8 / 5.0
52 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great kit
Fit and finish is excellent. Slapped it together and took it out the next morning and shot smooth with no issues. Looks like they sent me a nitride bcg instead of the listed chrome lined phosphate. Not sure it matters, nitride bolts are smooth. First carbine gas system I've owned and it shoots surprisingly smooth. As for accuracy, I'm still working it out... shot wolf and AE.223 55g as expected for a 1/7, maybe a little worse, but could've been me. I shot my 69g handloads next and got a group at 0.75" and next at 1.25" at 100yrds so looks like the barrel is good. The EPT trigger is very milspec trigger I've shot. This is my second PSA purchase. My first was a premium FN midlength a few years ago. That one was great too. Sadly had to sell it at the time. PSA is my number 1 choice. I love that you can always find something for a good price.
July 27, 2019
4 weeks ago
Best value on the market. Pay more but you won't get more. Buy as many as you can. Solid firearm.
June 11, 2019
4 months ago
“Good Lookin Snek”
Very Nice, everything fit together very well and looks great. Great Functionality. Fired without any Failure to Fire malfunctions on the first outing. Very Impressed!!!
Complete Snek
June 10, 2019
4 months ago
Excellent kit
Standard AR 15 set up with magpul furniture, you can't go wrong with it if you want a great looking basic AR 15. Awesome price!!!
June 3, 2019
4 months ago
Absolutely love it. The ept leaves a little more to be desired however, the rest of my builds are just mil spec trigger so I cant complain really. At 100 yds I was shooting 2 inch groups (with open sights thats good for me, I'm not the best with em). Built this one as a budget build and absolutely could not be happier. 2nd build of many more to come from PSA....thanks to PSA for all they do!!!!!
Money well spent
Money well spent
May 2, 2019
5 months ago
Great kit, went together perfect with my Anderson lower and operates flawlessly!
User submitted image
Added Apr 29, 2019
April 30, 2019
5 months ago
Excellent rifle kit, well made and loved putting it together myself. I highly recommend this kit and palmetto state armory.
April 16, 2019
6 months ago
Great kit at a great price.
Received my kit in a timely manner and it was everything it was advertised as. Great purchase that I am glad I bought.
My build completed
My build completed
April 15, 2019
6 months ago
Awesome rifle.
Love it!! My first build and it was an easy one. Worth every penny.
User submitted image
Added Apr 15, 2019
April 15, 2019
6 months ago
Installed this on a Anderson lower. The parts went together great with just very little polishing of the casting marks on the bolt release. Fit and finish is very nice. 100 Rounds of various ammo no hiccups at all with 1.75 to 2.50 inch groups at 100yrds from a picnic table. Great rifle!!!
April 13, 2019
6 months ago

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