Due to holidays and severe weather, please expect a delay up to 10 business days for your order to ship.
Due to holidays and severe weather, please expect a delay up to 10 business days for your order to ship.
BLEM PSA 7" Nitride 5.56 1/7 6"  M-Lok Upper - With Nickel Boron BCG, CH, & MBUS Sight Set - 516447431

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BLEM PSA 7" Nitride 5.56 1/7 6" M-Lok Upper - With Nickel Boron BCG, CH, & MBUS Sight Set - 516447431

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: 516447431
UPC: 516447431
MFR#: 516447431
  • Barrel Length: 7"
  • 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 Bird Cage
  • Receiver Material: Forged 7075 T6
  • Receiver Type: M4
  • Hand guard Type: PSA 6" M-Lok
  • Bolt Carrier Group Included: Yes
  • Bolt Steel: 9310, Nickel Boron
  • Bolt Carrier Profile: Full-auto
  • Charging Handle included: Yes
  • Overall Length: 17.5"

**These uppers may have cosmetic blemishes that do not affect function. This may include, but is not limited to, forging marks under the finish, scratches, dings, slight variation in the finish color coat.

 

Add To:

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 an anodized PSA 6" 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 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.  

Includes: Magpul MBUS Sight Set, Black

**These uppers may have cosmetic blemishes that do not affect function. This may include, but is not limited to, forging marks under the finish, scratches, dings, slight variation in the finish color coat.

 

SKU: 516447431
SKU 516447431
Brand Palmetto State Armory
SKU: 516447431

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