PSA 16" Mid-length 5.56 NATO 1:7 Nitride Freedom Upper - with BCG and CH - 507281

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PSA 16" Mid-length 5.56 NATO 1:7 Nitride Freedom Upper - with BCG and CH - 507281


Quick Overview

SKU: 507281
UPC: 507281
MFR#: 507281

16" Barrel length
4150V Chrome Moly Vanadium Steel
5.56 Nato Chamber
Melonite Finish
1 in 7" twist rate
M4 Feed ramps
F-Marked Front sight post
A2 Flash Hider
Sling Loop
Standard Hand Guards
Forged Upper Receiver
M16 Bolt Carrier Group
Carpenter 158 Bolt
Charging Handle

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Barrel: Chrome-moly vanadium steel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The A2-style profile barrel is Melonite treated for accuracy and durability. Barrel is finished off with an .750" diameter F-marked front sight base with sling swivel, standard handguards and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts,  these upper upper receivers are made for us right here in the USA.

Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Bolt carrier is parkerized outside and chrome lined inside. Includes Charging Handle.


SKU: 507281
SKU 507281
Brand Palmetto State Armory
Daily Deal N/A
Daily Deal Expires N/A
Youtube Video N/A
Free Shipping? N/A
SKU: 507281

Questions and Answers

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Browse 2 questions Browse 2 questions
Wouldn't the barrel profile be considered a heavy barrel for this upper? (Maryland compliant question)
Hayden O on Apr 21, 2018
I'm waiting for this to come in. However I'd like to buy a quad rail in stead for the plastic, what drop in quad rail will fit this upper?
Brinks on Apr 26, 2018


4.9 / 5.0
54 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Very happy with it. Love it.
May 4, 2018
6 months ago
On Target
The PSA 16" Mid-length 5.56 NATO 1:7 Nitride Freedom Upper - with BCG and CH - 507281 is excellent with respect to quality, accuracy and function. This unit is paired with a PSA receiver. I replaced the handguard only because of wanting Picatinny rail space. I'm amazed and pleased with the products supplied by PSA. In my opinion, no one competes with them for value, customer service and quality.
May 4, 2018
2 months ago
Great deal!
Perfect mil spec upper for a great price.
April 28, 2018
4 months ago
Would buy again
December 9, 2017
Nice midlebgth
Good fit and finish functions nice and smooth. Had an issue with first one but PSA stood behind their product and shipped another I would buy from them again.
December 9, 2017
Very good quality and price.
I'm very happy with the lower and upper AR-15.
May 11, 2017
Great upper
More accurate than my issued patrol rifle from S&W paired it PSA lower can't complain at all very pleased with mine.
March 27, 2017
Excellent upper
Bought this not expecting much put an A2 sight on it set it up with PSA lower omg it shoots tighter groups than my S&W duty rifle I carry in patrol car. Shot them side by side same ammo and weather thinking about putting this one in my car.
March 25, 2017
Excellent upper flawless function fit and finish are great fits tight on my PSA lower added a MOE handguard on it. Mine has no forge markings on it but did come with t-marks. Excellent so far.
March 6, 2017
Very nice upper
I've got about 200 rounds through this upper on my first AR. No jams. Fit and finish couldn't be better on an Engage Armament lower. No complaints at all. If you're like me and can't spend $1500 on an AR PSA is the ticket. There's a lot of satisfaction in building a solid AR for a third of the cost of many others.
March 4, 2017

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