Black Rain Ordnance .458 SOCOM 16 Inch Complete AR-15 Upper Receiver

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High-Performance Complete Upper For Large-Caliber 458 SOCOM builds

This Black Rain Ordnance AR-15 Complete Upper Receiver features everything you need to build a high-performance .458 SOCOM build. Includes a 16-inch 4150 Chromoly Vanadium Steel barrel, 15 inches BRO M-LOK hybrid handguard, Spec15 BCG with .458 bolt, a .458 muzzle brake, and a lot more.

If you’re looking for a high-quality build that doesn’t sacrifice performance, choose the BRO .458 SOCOM Complete Upper Receiver.


  • 16 inches .458 SOCOM 4150 chrome moly barrel
  • BRO Spec15 upper receiver with an expanded ejection port
  • .458 SOCOM engraved dust cover
  • Charging handle with over-sized tac latch
  • 15 inches BRO M-LOK hybrid handguard
  • BRO Spec15 bolt carrier group with .458 bolt
  • BRO .458 muzzle brake
  • Includes one metal magazine optimized for .458 SOCOM rounds


  • Barrel Length: 16″
  • Caliber: 458 Socom
  • Color: Black
  • Description: Forged
  • Model: 458 SOCOM
  • Subcategory: Complete Upper Receivers
  • Type: Upper
  • Type of Barrel: 1:14

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.