Out of stock
PSA 8.5" Pistol Length 5.56 NATO 1:7 Phosphate 10.5" Lightweight M-LOK Upper w/ Fluted Flash Can & MBUS Sights
Out of stock

PSA 8.5" Pistol Length 5.56 NATO 1:7 Phosphate 10.5" Lightweight M-LOK Upper w/ Fluted Flash Can & MBUS Sights

SKU 5165449604
Brand Palmetto State Armory
Model Number 5165449604
UPC 5165449604
Customers must read Compliance Information before purchasing.

Product Details


Forged Upper Receiver 
    Upper Receiver Type: Forged Standard
    Upper Receiver Material: 7075 T6 Aluminum
    Upper Reciever Coating: Hardcoat Anodized
    Muzzle Device: PSA Fluted Flash Can
    Barrel Caliber: 5.56
    Barrel Profile: A2
    Barrel Material4150V CMV
    Barrel Length: 8.5"
    Barrel Thread Pitch: 1/2 x 28
    Barrel Twist Ratio: 1:7
    Barrel Finish: Phosphate
    Barrel Lining: Phosphate
Gas System
    Gas Block Size: .750
    Gas Block Type: Low Profile
    Gas System: Pistol
    Handguard Length: 10.5"
    Handguard Type: M-LOK
    Handguard Color: Black
    Rail Profile: Lighweight

Backup Sights: Magpul MBUS Sight Set, Black

*This Upper Does Not Include BCG or Charging Handle


This upper features a 10.5” Lighweight M-LOK rail that can be used to attach M-LOK rail accessories giving you the ability to customize your build to suit your needs. Comes installed with the PSA Fluted Flash Can that is designed to direct the muzzle gases and muzzle flash forward and away from the shooter. This device is not designed to reduce recoil, muzzle rise, or flash.


Q & A

Retail Stock


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.
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 www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).