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PSA 16" 5.56 NATO M4 Carbine Classic Rifle Kit, Olive Drab Green - 5165450303


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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: 5165450303
UPC: 5165450303

Barrel Length: 16"
Gas System: Carbine Length
Barrel Profile: M4
Barrel Steel: 4150 Chrome-Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
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
Handguard Type: PSA Classic Carbine Handguards, OD Green
Stock Type: PSA Classic M4 Adjustable Stock, OD Green
Grip Type: PSA Classic A2 Grip, OD Green
Bolt Carrier Group Included: Yes
Bolt Steel: 9310, Nitrided
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Fire Control Group: PSA Mil-Spec Fire Control Group
Overall Length: 24.5"

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Barrel: 4150V Chrome Moly steel, nitride treated for durability. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. The barrel is finished off with a standard carbine olive drab green handguard, F-Marked gas sight base, and A2 flash hider.

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

Bolt: Full-auto profile bolt carrier group, with a 9310 steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is nitrided. 

Lower Build Kit: Includes Classic Olive Drab Green M4-Style Stock,  Olive Drab Green A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower.

SKU: 5165450303
SKU 5165450303
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: 5165450303

Questions and Answers

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Browse 11 questions Browse 11 questions and 20 answers
What is the differences in the classic line vs the freedom line uppers?
Timothy S on Dec 11, 2018
Is the bolt chrome lined?
Dave S on Jan 27, 2019
BEST ANSWER: Nitriding is actually a treatment, not a coating like chrome lining. Nitriding is harder than chrome as well and since everyone seems to still want chrome lined everything, nitrided barrels and BCGs are cheaper too. Win, win!
What else is needed to make this fully functional??
Ted S on Dec 7, 2018
BEST ANSWER: In addition to a stripped lower receiver you will also need a rear sight aperture (carry handle, backup/flip up, fixed, etc.) or some sort of optic (red dot, scope, etc.).
Does it fire the .223 round also?
Barry H on Dec 8, 2018
BEST ANSWER: Yes .223 Rem will work just fine in here. But you best bet is just to buy Ammo from Palmetto State Armory by the Case !!!
Since the lower isn't included, can this be shipped to a residential address without an FFL?
Chris M on Dec 8, 2018
BEST ANSWER: In most jurisdictions that permit AR’s this kit can be shipped to one’s home (I purchased this kit myself as my first build.); because the lower bears the serial #, it must be shipped to an FFL with the accompanying background check, etc. as the applicable laws require.
Do you ever do this with AR-10's?
Johnny K on Dec 9, 2018
BEST ANSWER: AR-10 Receiver and uppers must match to work, One brand lower might not work with another brand upper.. Specs might be off a tad... Not Like the AR 15's if they are Mil Specs, A Mil Specs parts will fit..... Not so in the AR-10 So that is why you hardly ever see AR 10 "Kits"
Can you take off front sight?
Brian J on Dec 7, 2018
BEST ANSWER: I have seen someone take a hack saw and cut the top half off..... You can drive out 2 pins and slide the complete front sight thing right off, after you remove any thing screwed on the front of the barrel....But to shoot the rifle you need to replace the Front sight Gas Block with some kind of gas block and hook it back up to the Gas tube and pin in back in place.
Is this a complete kit or will I have to buy more ?
Jesse on Jan 28, 2019
BEST ANSWER: You will need a stripped lower.Enter
Will this M4 kit work with an 80% lower I milled with an AR15 JIG?
L D on Jan 26, 2019
BEST ANSWER: Yes, IF it was done correctly and is otherwise "milspec"
Will this work with a Tennessee Arms Safe/Fire stripped lower?
Barry H on Dec 10, 2018
BEST ANSWER: If its a "mill spec" receiver then yes. It will fit.
Do I need a special attachment rail to install the foregrip? If so, what would work the best for this style?
The Dude on Feb 8, 2019


4.8 / 5.0
28 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
as fine a build as a regular user can ask for!
Fit, function, accuracy, it's all there for the builder. Just like store bought except a lot less expensive and you have the added pride of building yourself. Even though the upper was done for you, I didn't want to change anything on this one anyway.....Yet....
May 21, 2019
5 months ago
This is a great buy.
This was my first build and it was a smooth and easy experience. The price was great and assembly was easy. I’ll likely be building another soon.
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Added Mar 19, 2019
March 19, 2019
Great price excellent kit
The kit came well packaged and arrived in excellent condition. Everything fit correctly and the rifle functions flawlessly. I would recommend this kit for anyone looking for a good rifle build at an affordable price.
March 2, 2019
3 months ago
Awesome start for a budget build
Absolutely great kit, ordered and it was shipped out quickly and arrived much quicker then I expected. Once I had a lower receiver I assemled everything and went to the range. Grouping wonderfully and had no failures through the 200 rounds I shot that day. Cannot wait to take it out and have more fun!
User submitted image
User submitted image
User submitted image
March 1, 2019
3 months ago
Great product at a great price
March 1, 2019
3 months ago
Great great upper thanks for good uppers ar great price
February 24, 2019
3 months ago
600 rounds in and no malfunctions
shot wolf steel, M855, hornandy black, and M193, all functioned flawlessly with no malfunctions. I knocked off a star because the handle keeps coming loose and the detent pin for the bolt carrier seemed to be the wrong size, but both of these issues are easily fixable with a screwdriver/elbow grease
February 14, 2019
Reliable, reasonably accurate, effective, and cheap. Worth it.
February 10, 2019
5 months ago
PSA 61” M4 Carbine Kit
This was my fifth kit and they are all flawless.
February 10, 2019
5 months ago
Turned out really good. I would definitely recommend.
Turned out really good. I would definitely recommend.
Turned out really good. I would definitely recommend.
February 10, 2019
5 months ago

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