Rock River Arms Completed Upper Receiver Left Handed RAGE .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard A2 Flash Hider Black
$439.99 at OpticsPlanet
In stock Sale
M16A1 14.5" 5.56 Colt Model 723 Style Complete Upper
B Kings Firearms · Upper Receiver
No ratings yetBest price
$436.27at B-Kings Firearms
checked Oct 6, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| B-Kings Firearms | $436.27checked Oct 6, 2026 | Check store | Buy at B-Kings Firearms |
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
Dashed line = out of stock. Tracking since Oct 6, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| B-Kings Firearms | $436.27 | $436.27 | $436.27 |
Since Oct 6, 2026.
About this part
The M16A1 14.5" 5.56 Colt Model 723 Style Complete Upper is an AR-15 complete upper receiver from B Kings Firearms. One store lists it, B-Kings Firearms at $436.27.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 14.5" · Handguards
Specifications
- Manufacturer
- B Kings Firearms
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Retro 14.5-inch carry-handle upper styled after Colt's Model 723.
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