The Capitol Key, Pistol Upper 7.5" 5.56 NiB BCG Free Float Key Mod

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AR Pistol Capital Key 7.5" Upper Receiver with NiB BCG

In stock
Delivery time:
This product should ship within 1 to 3 business days.

Product description

The Capitol Key, Pistol Upper 7.5"

 This pistol upper is perfect for those times you need a key for any situation!


  • FU House AR15 Upper Receiver - Precision machined from forged 7075-T6 blanks from one of the top foundries in the country these are a premium upper. Utilizing an innovative surface preparation method to ensure a consistent and superior finish these upper utilize an M-4 feed ramp cut before being Mil-Spec Type III hard anodized.
  • Barrel - 7.5", 4150v Black Nitride treated, pistol gas system, 1:7 twist
  • BCG - M16 Nickel Boron NiB BCG Full Auto Bolt Carrier Group Assembly - This precision machined and superior quality Full Auto bolt carrier group utilizes an 8620 steel for the carrier and a 9310 bolt that are both then Nickel Boron coated before being assembled. Extractor has a Crane O-ring installed for reliable brass extraction. No Garbage MIM parts are used, this is fully machined. Made In The USA.
  • Rail - MFT Key Mod - 7" Free Float
  • Charge Handle  - Blitzkrieg AR15 Charging Handle - Type III hard coat anodized and made from billet 6061 aircraft grade aluminum.
  • Gas Block - The Blitzkrieg Low Profile Steel Gas Block .750 is constructed of hardened steel, proudly manufactured right here in the USA.
  • Gas Tube - Pistol Length - The Blitzkrieg Tactical Gas Tube is a Mil-Spec gas tube designed for the AR-15, Proudly Made Right Here In The USA.
  • Muzzle Device - House A2 Flash Hider -  Parkerized Finish and a 1/2x28 thread pattern.

As with all of our uppers, this upper will be test fired before it is shipped and will come with the Firearms Unknown lifetime warranty.

Lifetime Warranty: We guarantee this product to be free from defects. In the event you feel you have a defective product, please contact us immediately to arrange inspection of the product. In the event we determine the product is defective; we will repair or replace the product with an identical or "like kind" product free of charge. This warranty does not cover standard wear and tear, is not transferable and may be voided if the customer or a third party alters the product in any way.


Product specifications

Lifetime Warranty: YES
Caliber: 5.56
Barrel Length: 7.5"
Barrel Twist Rate: 1:7
Barrel Material: 4150v
Muzzle Device: A2 Flash Hider
Gas-System: Steel Low Pro, Pistol Length
Handguard: 7" Free Float Key Mod
Upper: House AR15 Forged Upper w/ Forward Assist and Dust Cover
Bolt Carrier Group: M16 Nickel Boron NiB BCG Full Auto Bolt Carrier Group Assembly
Charging Handle: Blitzkrieg Tactical Mil-Spec Charging Handle
Test Fired: YES
Condition: New

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