16” 9mm AR Upper – OD Green Cerakote – 12″ Slant Keymod
Original price was: $239.99.$199.95Current price is: $199.95.
16″ 9x19mm Parabellum upper with 12″ Slant Rail Keymod free-float handguard, 4150 HBar barrel, 1:10 twist, and OD Green 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 9x19mm Parabellum, this 16″ upper features a 4150 HBar barrel with 1:10 twist, Black Nitride, and a 12″ angle-cut Keymod free-float handguard in OD Green Cerakote. 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″ Slant Rail Keymod Free Float
- Gas System: Blowback
- Upper Receiver: Mil-Spec 7075 T6 Aluminum
- Finish: OD Green 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 are compatible with the 12″ Keymod handguard?
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 OD Green Cerakote finish on this upper corrosion resistant?
The OD Green 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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