16” 9mm AR9 Upper – Titanium Blue Cerakote – 15″ Window M-Lok
Original price was: $239.99.$199.95Current price is: $199.95.
16″ 9mm upper with 15″ Window Rail M-Lok free-float handguard, 4150 HBar barrel, 1:10 twist, and Titanium Blue Cerakote finish. Mil-spec 7075 T6 upper receiver, A2 flash hider, 1/2×36 thread, blowback gas system, made in USA.
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- Additional information
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- 9mm Upper FAQ
16″ 9mm blowback upper with 4150 HBar barrel, 1:10 twist, Black Nitride, and a 15″ windowed M-Lok free-float handguard in Titanium Blue Cerakote. A2 flash hider, 1/2×36 thread, 7075 T6 mil-spec upper receiver.
- Caliber: 9mm
- Barrel: 16″ 4150 Light HBar, Black Nitride
- Twist Rate: 1:10
- Thread: 1/2×36
- Muzzle Device: A2 Flash Hider
- Handguard: 15″ Window Rail M-Lok Free Float
- Gas System: Blowback
- Upper Receiver: Mil-Spec 7075 T6 Aluminum
- Finish: Titanium Blue Cerakote
- Includes: Dust Cover, Forward Assist, Steel Barrel Nut
- Made in USA
| Weight | 5 lbs |
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Does this 9mm upper fit on a standard AR-15 lower receiver?
Yes — the upper is mil-spec and fits any standard AR-15 lower. For a 9mm build you’ll also need a dedicated 9mm lower or a 9mm conversion block that accepts 9mm magazines. The upper itself is a direct drop-on.
Which 9mm magazines feed reliably in this blowback upper?
This upper requires a 9mm lower or conversion block. Glock-pattern 9mm magazines (G17/G19 style) are the most widely supported. Your lower determines which magazine pattern fits — confirm compatibility with your lower before ordering mags.
What bolt carrier do I need for a 9mm blowback build?
A BCG and charging handle are available as add-on options on this product page. A dedicated 9mm blowback bolt carrier is required — a standard 5.56 BCG will not function in a 9mm blowback build.
Does 9mm blowback require a heavier buffer than standard AR-15?
9mm blowback generates a heavier recoil impulse than a gas-impingement build. An H2 buffer or heavier (5–6oz) is recommended for reliable cycling. A standard carbine buffer may work but can cause bolt bounce and reliability issues.
What accessories work with the 15″ M-Lok handguard?
Any M-Lok-compatible accessory — including foregrips, lights, laser modules, and QD sling mounts — mounts directly to the 15″ free-float handguard. Free-float design isolates the barrel from handguard pressure for improved accuracy.
What is the Black Anodized finish and how durable is it?
The upper receiver uses Type III hard anodize — the mil-spec standard for AR-15 uppers. Applied directly to the aluminum, it provides excellent corrosion and scratch resistance with no special maintenance required beyond standard cleaning.
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