Description

FU Fiber Optic Standard Height Iron Sights for Glock G43/42/43X/48 MOS

Upgrade your Glock slimline MOS pistol with Freedom Unlimited Fiber Optic Standard Height Iron Sights, precision-machined for durability, reliable performance, and enhanced front sight visibility. These aftermarket Glock iron sights feature a bright fiber optic front sight paired with a blacked-out rear sight, providing a clean, high-contrast sight picture for everyday carry, target shooting, and custom Glock builds.

Constructed from durable 4140 steel with a corrosion-resistant black nitride finish, these Glock front and rear iron sights offer rugged construction and long-lasting reliability. The standard-height configuration provides a traditional iron sight profile, while the fiber optic front sight gathers available ambient light to create a bright aiming reference without requiring batteries. Designed for compatible Glock slimline MOS and factory-style sight cuts, Freedom Unlimited Fiber Optic Iron Sights provide a dependable upgrade for your Glock pistol.

Features

Durable 4140 Steel Construction – Precision-machined steel provides strength, durability, and long-term reliability.
Fiber Optic Front Sight – Bright fiber optic insert gathers available ambient light for improved front sight visibility.
Blacked Out Rear Sight – All-black rear sight without dots or inserts provides a clean, distraction-free sight picture.
Standard Height (.195″ Front Sight) – Low-profile configuration designed for traditional iron sight alignment.
High-Contrast Sight Picture – Fiber optic front sight stands out against the blacked-out rear for quick visual reference.
Black Nitride Finish – Corrosion-resistant, non-reflective finish complements factory and aftermarket Glock slides.
MOS-Specific Design – Features a .125″ wide rear notch and shortened front ledge designed to accommodate compatible optic-cut slides.
No Batteries Required – Fiber optic illumination uses available ambient light without batteries or electronic components.
Complete Front & Rear Sight Set – Includes both Glock iron sights with mounting screws.
Ideal for Glock Upgrades & Custom Builds – Suitable for replacing factory sights or completing compatible Freedom Unlimited Glock slimline slide assemblies.

Sight Dimensions – Standard Height

Front Sight Height: .195″
Rear Sight Height: .200″
Rear Sight Notch Width: .125″

Glock Compatibility

Designed for compatible Glock slimline models equipped with factory-style sight cuts, including:

Glock 42
Glock 43
Glock 43X MOS
Glock 48 MOS

Also suitable for compatible non-MOS slimline slides with matching sight cuts.

Note: Standard-height sights are intended primarily for traditional iron sight alignment. Visibility through a mounted red dot optic depends on the optic and mounting configuration.