Name: F-1 Firearms UX-9 9MM AR-15 Upper Receiver for sale - Thornhill Tactical Supply
SKU: FA-F1-UX9-9-4A9J2L7X
Price: 224.10 USD
Availability: InStock

F-1 Firearms UX-9 9MM AR-15 Upper Receiver

$224.10

If you’re building a 9MM pistol or rifle on the AR-15 platform, the F-1 Firearms UX-9 upper receiver offers a noticeable weight reduction without sacrificing strength. It’s a good option for range use, competition, or as a compact home defense build, particularly for folks dealing with the specific challenges of Oregon’s laws around pistol builds.

SKU: FA-F1-UX9-9-4A9J2L7X Categories: Firearms, Rifles

Looking to build a lighter 9MM AR-15? The F-1 Firearms UX-9 upper receiver is designed to shed weight while maintaining the durability you need for regular shooting. It’s a popular choice for Oregon shooters building pistol-caliber carbines for recreational shooting at the range, USPSA/IDPA competitions, or setting up a more maneuverable home defense option.

What the F-1 UX-9 Brings to Your Build

This isn’t about flashy features; it’s about smart design. The skeletonized construction removes excess material, making the upper receiver noticeably lighter. That’s helpful when you’re carrying a pistol-caliber carbine for an extended period, or trying to quickly maneuver in a home defense scenario. The open design also allows for better airflow around the barrel during sustained fire, though the benefit is marginal in typical use.

Key Features:

Weight Reduction: Skeletonized design reduces weight compared to standard AR-15 upper receivers.
9MM Specific: Designed and machined for 9MM AR-15 builds.
Material: Constructed from aluminum alloy for a balance of strength and weight savings.
Finish: Matte black finish provides a low-glare, durable surface.
Compatibility: Compatible with standard AR-15 lower receivers and 9MM barrels/bolts.

This upper receiver is a component – it does not include the barrel, bolt carrier group, or charging handle. It’s meant to be paired with a 9MM-specific barrel and bolt system.

Specs

Model	UX-9
Caliber	9MM
Material	Aluminum Alloy
Finish	Matte Black
Weight	Approximately 10 oz
Compatibility	AR-15 platform, 9MM barrels and bolts
Manufacturer	F-1 Firearms

Oregon Specifics & FFL Transfers

We are a licensed firearms dealer in Portland, Oregon. All firearm and firearm-related parts sales require a valid Oregon driver’s license or Oregon ID card, and adherence to all state and federal laws. For Oregon residents, we can facilitate FFL transfers; please contact us for details and pricing. We also ship to other states where permitted by law, but the buyer is responsible for ensuring compliance with their local regulations. Shipping costs will be calculated at checkout.

If you’re looking for assistance with your 9MM build, or have questions about Oregon’s firearms laws, feel free to give us a call. We’re happy to help.