Ultradyne C4 Rear Sight Aperture .050 Black

Name: Ultradyne C4 Rear Sight Aperture .050 Black
Brand: Ultradyne
Availability: InStock

Ultradyne · Upper Parts

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Ultradyne C4 Rear Sight Aperture .050 Black

Best price

$20.99at MidwayUSA

In stock checked Nov 13, 2026

Buy at MidwayUSA

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Specifications

Manufacturer: Ultradyne
Color: Black
Material: Steel

Where to buy

Store	Price	Availability	Buy	Add to build
MidwayUSA Best price	$20.99checked Nov 13, 2026	In stock	Buy at MidwayUSA
OpticsPlanet	$24.99Salechecked Nov 13, 2026	In stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $20.99 at MidwayUSA. Dashed line = out of stock. Tracking since Nov 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
MidwayUSA	$20.99	$20.99	$20.99
OpticsPlanet	$24.99	$24.99	$24.99

Since Nov 12, 2026.

About this part

The Ultradyne C4 Rear Sight Aperture .050 Black is an upper part from Ultradyne. It's sold by 2 stores (2 in stock), from $20.99 to $24.99. The lowest in-stock price in the last 30 days was $20.99 at MidwayUSA.

From the manufacturer

Ultradyne C4 Rear Sight Aperture .050 Black. Equivalent to the smaller of the standard A2 flip apertures. Specifications for Ultradyne C4 Rear Sight Aperture: Manufacturer: Ultradyne Sight Position: Rear Front Sight Color: REAR SIGHT ONLY Rear Sight Color: Black Fabric/Material: 4140 CrMo Steel Country of Origin: USA Finish: Nitride Color: Black Package Contents: Ultradyne C4 Rear Sight Aperture Ultradyne UD10900: C4 Rear Sight Aperture .050 Black