Black Rain Ordnance SPEC15 16 Inch Complete 5.56 AR-15 Upper Receiver

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Complete Your Next Classic Carbine with the SPEC15 Complete Upper Receiver

The Black Rain Ordnance SPEC-15 5.56 A2 Complete Upper Receiver is the perfect option for building an M4 style AR-15 build without sacrificing the quality and reliability. It features a 16″ barrel chambered in 5.56 NATO and a classic ribbed drop-in handguard with internal heat shielding.

The straight medium profile barrel adds better rigidity over an M4 profile, and the upper receiver is forged from hard-coat anodized aluminum that comes with the popular “Let it Rain” dust cover installed. This upper is ready to connect to any Mil-spec AR-15 lower receiver to complete your next rifle.


  • 16″ Barrel chambered in 5.56 NATO
  • Medium profile
  • A2 flash hider and front sight
  • M4 carbine drop in handguard
  • Carbine length gas system
  • Forged upper
  • Black hard-coat anodized
  • “LET IT RAIN” dust cover
  • Includes charging handle and BCG


  • Barrel Contour: Medium
  • Barrel Length: 16″
  • Caliber: 5.56 NATO
  • Gas System Length: Carbine
  • Gas System Type: Direct Impingement
  • Handguard: Carbine Length Drop-In Handguard
  • Muzzle Device: A2 Flash Hider

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Black Rain Ordnance Warranty

  • All Black Rain Ordnance, Inc. products carry a 100% satisfaction guarantee against defects in original materials and workmanship.
  • If your Black Rain Ordnance, Inc. product shows evidence of such defects, Black Rain Ordnance, Inc. will make every accommodation to fix, repair, or replace your product in the most expeditious and inexpensive manner possible.
  • Black Rain Ordnance, Inc. does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer’s products.
  • Be sure to retain your sales slip as proof of purchase date when making a claim.

Scope of Warranty

  • BLACK RAIN ORDNANCE, INC. products are warranted to be free from defective materials and workmanship for life of the original purchaser.
  • BLACK RAIN ORDNANCE, INC. obligation under this warranty shall be limited to (1) repairing or (2) replacing any product upon inspection at BLACK RAIN ORDNANCE, INC. and based on its discretion, is found to defective in material or in workmanship.
  • This warranty is limited and does not extend to: careless handling, abuse and misuse, unauthorized adjustments or modifications, use of improper ammunition, excessive or unreasonable use, ordinary wear & tear, rust or corrosion, and barrel obstruction.
  • Repairs are warranted for the duration of the original warranty and apply only to factory-built products.

Faulty Products

  • If the product has been used in accordance with the manufacturer’s instructions but is faulty, unfit for purpose or does not match the sample or description please call us at 1-888-836-2620.

Contact Details:

Telephone: 1-888-836-2620.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.