Best price
$1,399.99at Brownells
Out of stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $1,399.99checked Oct 1, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $1,495.00Salechecked Oct 1, 2026 | Out of stock | Buy at OpticsPlanet |
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 Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $1,399.99 | $1,399.99 | $1,399.99 |
| OpticsPlanet | $1,495.00 | $1,495.00 | $1,495.00 |
Since Sep 28, 2026.
About this part
The Bearing Delay 9mm Luger 4.5" Bbl Assembled Upper Receiver is an AR-9 complete upper receiver from Mean Arms. It's sold by 2 stores, from $1,399.99 to $1,495.00.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
- Barrel length
- 4.5" · Handguards
Specifications
- Manufacturer
- Mean Arms
- Type
- Complete
- Platform
- AR-9
- Caliber
- 9mm
From the manufacturer
The Bearing Delay Upper Receiver is a complete upper receiver system ready to be paired with the AR lower receiver of your choice. Available in 5 different barrel lengths: 4.5", 7.5", 11", 14.5", 16" - all threaded for a 1/2-28 muzzle device. No 9mm-specific buffer needed. The Bearing Delay Upper Receiver is designed to work with standard AR-15 buffers. The heart of the Bearing Delay Upper Receiver is the unique ball bearing bolt carrier group (BCG). The ball bearings interface with corresponding features in the barrel extension and provide the lockup in battery and the delay after firing. The system can be tuned by replacing the Lifter to change the angle of Mfg: Mean Arms
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