Rock River Arms Completed Upper Receiver CLB .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Threat Free-Float Handguard Brake Black
$779.99 at OpticsPlanet · 4 stores
In stock Sale
Black Rain Ordnance Complete Upper .458 Black BRO-SPEC15-CU458S
Black Rain Ordnance · Upper Receiver
No ratings yetBest price
$779.99at OpticsPlanet
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $779.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $876.99checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $999.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| Palmetto State Armory | $1,038.99checked Oct 21, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $779.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $876.99 | $876.99 | $876.99 |
| GunMag Warehouse | $999.99 | $999.99 | $999.99 |
| OpticsPlanet | $779.99 | $779.99 | $789.99 |
| Palmetto State Armory | $1,038.99 | $1,038.99 | $1,038.99 |
Since Oct 12, 2026.
About this part
The Black Rain Ordnance Complete Upper .458 Black BRO-SPEC15-CU458S is an AR-15 complete upper receiver from Black Rain Ordnance. It's sold by 4 stores (3 in stock), from $779.99 to $1,038.99. The lowest in-stock price in the last 30 days was $779.99 at OpticsPlanet.
Fits and works with
- Caliber
- .458 SOCOM · Shop matching ammo
- Bolt
- .458 SOCOM / .450 Bushmaster · Bolt carrier groups
Specifications
- Manufacturer
- Black Rain Ordnance
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- .458 SOCOM
From the manufacturer
Black Rain Ordnance Complete Upper .458 Black BRO-SPEC15-CU458S. These AR15 Upper Receivers by Black Rain Ordnance feature what you need for a performance .458 SOCOM build including a 16in barrel with 1x14 twist a bolt carrier group with .458 bolt a .458 muzzle brake and more When you want the best quality for your AR choose the BRO AR15 Complete Upper Receiver Specifications for Black Rain Ordnance SOCOM .458 Complete Upper Receiver: Manufacturer: Black Rain Ordnance Caliber: .458 SOCOM Barrel Length: 16 in Muzzle Device: .458 Muzzle Brake Finish: Anodized Color: Black Magazine Included: No Condition: New Black Rain Ordnance SOCOM .458 Complete Upper Receiver Includes: 16in 416R stainless steel .458 SOCOM barrel (1x14 twist) Spec15 upper receiver with expanded ejection port .458 SOCOM engraved dust cover Charge handle with oversized Tac-Latch 15in M-LOK hybrid handguard Spec15 bolt carrier group with .458 bolt .458 muzzle brake Metal magazine optimized for .458 SOCOM rounds Black Rain Ordnance BRO-SPEC15-CU458S: Complete Upper .458 Black
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