PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper With Nickel Boron BCG & CH - 516446839

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PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper With Nickel Boron BCG & CH - 516446839


Quick Overview

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SKU: 516446839
UPC: 516446839
MFR#: 516446839

Barrel Length: 16"
Gas System: Mid-Length
Barrel Profile: A2 Style
Barrel Steel: 4150V
Barrel Finish: Nitride Black
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: Low profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand Guard Type: PSA 13.5" M-Lok Lightweight Rail 
Bolt Carrier Group Included: Yes, Nickel Boron
Bolt Steel: 9310
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes

Add To:

Barrel: 16" 4150V Chrome Moly steel. 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 a PSA 13.5" Lightweight M-Lok free float rail, .750 gas block, and an A2 flash hider.

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.

Bolt Carrier Group: 5.56mm Bolt Carrier Group is Nickel Boron coated and features a 9310 bolt.  The gas key is hardened and secured with Grade 8 fasteners, and is staked per Mil-Spec.  

SKU: 516446839
SKU 516446839
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 516446839

Questions and Answers

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Browse 1 question Browse 1 question and 6 answers
Is this upper lower specific in PSA?
James S on May 16, 2018
BEST ANSWER: upper is mil spec and will work with any mil spec lower. You can use this Upper on your Anderson or Aero or any other mil spec lower.


4.5 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Very accurate and matched up perfectly to the PSA MOE ept lower I got with it. I'm getting solid 1moa at 100 yards with federal m193. The nickel boron bcg cleans up very easy.
Functions flawlessly, looks amazing
Functions flawlessly, looks amazing
May 22, 2018
The charging handle was not ambidextrous.
May 20, 2018
1 month ago
This was far more than I was expecting.Fit and finish are good, everything's nice and tight and stays that way. Averages about 1 MOA with standard federal 55gr 223. No malfunctions in 400 rounds and that Nickel Boron BCG literally wipes clean. no problems mounting optics or accessories. At this price, i feel like buying 5 more, never mind what my wife thinks.
May 16, 2018
1 month ago
Impressive Accuracy plus Quality
Ok here it is. After 300 rounds of American Eagle 5.56 and then zeroing it at 100 Meters. I am happy to say I am getting from Sub MOA to 2 MOA. In the desert on a wabbly table, with a bi-pod. If I had used a fixed platform such as a pay to play range has, I'm sure all groups would of been Sub-MOA. PSA Your Freedom barrels really surprised me and impressed me.
April 26, 2018

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