PSA 11.5" 5.56 NATO 1/7 Nitride 9" Lightweight M-Lok Freedom Upper - With BCG, CH, & MBUS Sight Set - 516446774

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PSA 11.5" 5.56 NATO 1/7 Nitride 9" Lightweight M-Lok Freedom Upper - With BCG, CH, & MBUS Sight Set - 516446774

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: 516446774
UPC: 516446774
MFR#: 516446774
  • Barrel Length: 11.5"
  • Barrel Profile: A2
  • Barrel Steel: 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: A3
  • Handguard Type: Lightweight M-Lok 9" Free Float Rail
  • Bolt Carrier Group Included: Yes
  • Bolt Steel: Carpenter 158
  • Bolt Carrier Profile: Full-auto
  • Charging Handle Included: Yes
  • Sight Set: Magpul MBUS Sight Set, Black
  • Overall Length: 20.5"

Add To:

Barrel:  11.5" Chrome Moly vanadium steel, melonite treated for durability and chambered in 5.56 NATO with a 1 in 7" twist rate. Carbine length gas barrel is finished off with a PSA 9" Lightweight M-Lok Rail, a low profile 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: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is parkerized outside, and chrome lined inside.

Includes: Magpul MBUS Sight Set, Black

SKU: 516446774
SKU 516446774
Brand Palmetto State Armory
SKU: 516446774

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