16” 9mm AR9 Upper Assembly – Burnt Bronze Cerakote – 12″ Riveted Keymod
Original price was: $239.99.$199.95Current price is: $199.95.
16″ 9x19mm Parabellum upper with 12″ Riveted Keymod free-float handguard, 4150 HBar barrel, 1:10 twist, and Burnt Bronze Cerakote finish. Mil-spec 7075 T6 upper receiver, A2 flash hider, 1/2×36 thread, blowback gas system, made in USA.
- Description
- Additional information
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- 9mm Upper FAQ
Built on a 16″ 4150 HBar barrel chambered in 9x19mm Parabellum, featuring a 12″ riveted free-float Keymod handguard in Burnt Bronze Cerakote. 1:10 twist, Black Nitride, A2 flash hider, 1/2×36 thread, mil-spec 7075 T6 upper receiver.
- Caliber: 9x19mm Parabellum
- Barrel: 16″ 4150 Light HBar, Black Nitride
- Twist Rate: 1:10
- Thread: 1/2×36
- Muzzle Device: A2 Flash Hider
- Handguard: 12″ Riveted Keymod Free Float
- Gas System: Blowback
- Upper Receiver: Mil-Spec 7075 T6 Aluminum
- Finish: Burnt Bronze Cerakote
- Includes: Dust Cover, Forward Assist, Steel Barrel Nut
- Made in USA
| Weight | 5 lbs |
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Can I run this 9mm blowback upper on any AR-15 lower?
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.
What magazines does this upper accept?
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.
Is a BCG included with this upper assembly?
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.
What buffer weight is recommended for 9mm blowback?
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 is the advantage of a free-float Keymod rail on a 9mm build?
Any Keymod-compatible accessory — rail sections, foregrips, hand stops, lights, and QD sling mounts — attaches directly to the 12″ free-float handguard. The free-float design keeps the handguard off the barrel for better accuracy and heat management.
Is the Burnt Bronze Cerakote finish on this upper corrosion resistant?
The Burnt Bronze Cerakote finish is applied over mil-spec black anodized aluminum. Cerakote is one of the most durable firearm coatings available — highly resistant to corrosion, chemicals, and abrasion. No special maintenance needed beyond standard cleaning.
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