Matador Arms MAT-9 AR-9 9mm 7.825in Roller Delayed Upper Reciever 4150 Lightweight Nitrided Barrel 1-10 Twist 1/2x28 Threads Anodized Black
$575.00 at OpticsPlanet
In stock Sale
Best price
$575.00at Brownells
Out of stock checked Oct 21, 2026
In stock now instead
- Matador Arms MAT-9 AR-9 9mm 7.825in Roller Delayed Upper Reciev… $575.00at OpticsPlanet
- Matador Arms MAT-9 AR-9 9mm 7.825in Roller Delayed Upper Reciev… $575.00at OpticsPlanet
- FM Products MIKE-9 9mm Build Kit 16 inch Mil-Spec Rear Charge 4… $549.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $575.00checked Oct 21, 2026 | Out of stock | Buy at Brownells | |
| MidwayUSA | $575.00checked Oct 21, 2026 | Out of stock | Buy at MidwayUSA |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Matador Arms MAT-9 AR-9 9mm 7.825in Roller Delayed Upper Reciever 4150 Lightweight Nitrided Barrel 1-10 Twist 1/2x28 Threads Anodized FDE
$575.00 at OpticsPlanet
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In stock
Price history
Lowest in-stock price in the last 30 days: $575.00 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $575.00 | $575.00 | $575.00 |
| MidwayUSA | $575.00 | $575.00 | $575.00 |
Since Sep 28, 2026.
About this part
The Mat9 Upper Receiver 9mm is a 9mm upper receiver from Matador Arms. It's sold by 2 stores, all at $575.00. The lowest in-stock price in the last 30 days was $575.00 at MidwayUSA.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
Specifications
- Manufacturer
- Matador Arms
- Platform
- AR-9
- Caliber
- 9mm
From the manufacturer
The Mat9 Upper is a self-contained complete 9mm receiver. Bufferless, compact and reliable. The blowback system runs suppressed or unsuppressed without spring changes. The charging handle is non-reciprocating and reversable for right or left-handed shooters. It is compatible with AR9's and AR15's with Mag Adapters. Compatible with Glock, Sig, Colt, Scorpion and Mp5 magazines. Veteran Owned made in San Antonio! Bufferless, self contained system AR lower compatible Blowback Design Non-reciprocating steel charging handle 4140 Nitrided steel bolt and action parts 6061-T6 anodized upper receiver 4150 Lightweight Nitrided Barrel, 7.825" long, 1:10 twist, 1/2x28 threads Tapered Mfg: Matador Arms
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