16” 9mm AR-9 Upper Build – Tungsten Grey Cerakote – 15″ Slant Cut Keymod
Original price was: $239.99.$199.95Current price is: $199.95.
16″ 9mm upper with 15″ Slant Rail Keymod free-float handguard, 4150 HBar barrel, 1:10 twist, and Tungsten Grey Cerakote finish. Mil-spec 7075 T6 upper receiver, A2 flash hider, 1/2×36 thread, blowback gas system, made in USA.
- Description
- Additional information
- Reviews (0)
- 9mm Upper FAQ
Chambered in 9mm, this 16″ upper features a 4150 HBar barrel with 1:10 twist, Black Nitride, and a 15″ angle-cut Keymod free-float handguard in Tungsten Grey Cerakote. A2 flash hider, 1/2×36 thread, mil-spec 7075 T6 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″ Slant Rail Keymod Free Float
- Gas System: Blowback
- Upper Receiver: Mil-Spec 7075 T6 Aluminum
- Finish: Tungsten Grey Cerakote
- Includes: Dust Cover, Forward Assist, Steel Barrel Nut
- Made in USA
| Weight | 5 lbs |
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What lower receiver is compatible with this 9mm upper?
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 mag fits a 9mm AR-15 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.
Does this upper come with a bolt carrier group and charging handle?
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.
Can I use a standard AR-15 buffer with this 9mm upper?
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.
Is the 15″ Keymod handguard free-floating on this upper?
Any Keymod-compatible accessory — rail sections, foregrips, hand stops, lights, and QD sling mounts — attaches directly to the 15″ free-float handguard. The free-float design keeps the handguard off the barrel for better accuracy and heat management.
What is the Tungsten Grey Cerakote finish and how durable is it?
The Tungsten Grey 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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