PSA 7" Nitride 5.56 NATO 1/7 M-Lok Upper - Without BCG or Charging Handle - 77932960

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PSA 7" Nitride 5.56 NATO 1/7 M-Lok Upper - Without BCG or Charging Handle - 77932960

Quick Overview

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.

SKU: 77932960
UPC: 77932960
MFR#: 77932960
  • Barrel Length: 7.0"
  • Barrel Profile: Pistol
  • Gas System: Pistol-length
  • Barrel Steel: 4150V Chrome Moly Vanadium
  • Barrel Finish: Nitride
  • Chrome Lining: No
  • 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 6" Lightweight M-Lok
  • Bolt Carrier Group Included: No
  • Bolt Steel: Carpenter N/A
  • Bolt Carrier Profile: N/A
  • Charging Handle included: No
  • Overall Length: 17.5"
  • Weight as configured: 2.75 lbs


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Barrel:  7" 4150V Chrome Moly vanadium steel, nitride treated for accuracy and durability, and chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with a PSA 6" Lightweight M-Lok Rail, a low profile gas block and an A2 Flash hider.  Rail is made of 6061-T6 aluminum and features integrated QD mounts.

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.

Does NOT include a BCG or CH

SKU: 77932960
SKU 77932960
Brand Palmetto State Armory
SKU: 77932960

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