MAGAZINE CATCH NUT 239090000

Precision‑engineered magazine catch nut designed for ultimate reliability and smooth operation on a variety of modern rifles.

MAGAZINE CATCH NUT 239090000 installed on a rifle

Product Overview

The MAGAZINE CATCH NUT 239090000 is a premium‑grade component crafted from high‑strength steel and finished with a corrosion‑resistant coating. It provides a secure lock for the magazine release mechanism, ensuring consistent performance in both tactical and recreational shooting environments.

Engineered to meet exacting OEM specifications, this catch nut fits seamlessly into rifles that require part number 239090000, making it the ideal replacement or upgrade for shooters who demand precision and durability.

Key Features & Benefits

Exact OEM Fit: Manufactured to match original equipment specifications for flawless installation.
High‑Strength Material: Made from hardened steel for exceptional tensile strength and long‑term wear resistance.
Corrosion‑Resistant Finish: Protective coating prevents rust and extends service life even in harsh environments.
Smooth Operation: Precision‑machined threads guarantee consistent engagement and release of the magazine.
Universal Compatibility: Suitable for all rifles that list part number 239090000, including popular tactical, hunting, and competition models.
Easy Installation: Designed for a straightforward swap with standard tools—no specialized equipment required.
Enhanced Reliability: Reduces the risk of accidental magazine release, improving safety and confidence on the range.

Technical Specifications

Part Number: 239090000
Material: Hardened carbon steel (SAE 8620 or equivalent)
Finish: Black phosphate + anti‑corrosion coating
Thread Size: M5 x 0.8 (right‑hand thread)
Dimensions: Height 6.2 mm, Diameter 9.5 mm
Weight: Approximately 4 g
Operating Temperature: -30 °C to +120 °C
Compliance: Meets MIL‑STD‑1913 tolerances

Installation Guide

Ensure the firearm is unloaded and safe before beginning any work.
Remove the existing magazine catch nut using a standard 5 mm hex wrench.
Clean the threaded hole to remove any debris or old thread locker.
Apply a thin layer of high‑temperature thread locker (optional for added security).
Screw the MAGAZINE CATCH NUT 239090000 clockwise until hand‑tight.
Using the hex wrench, tighten an additional 1–2 full turns to achieve proper torque (approximately 8–10 Nm).
Reassemble the rifle and perform a function check to confirm smooth magazine release operation.

For optimal results, consult your firearm’s service manual or a qualified gunsmith if you are unfamiliar with rifle maintenance.

Frequently Asked Questions

Is this catch nut compatible with older rifle models?: Yes, as long as the rifle specifies part number 239090000, the nut will fit correctly.
Do I need any special tools for installation?: A standard 5 mm hex key or wrench is sufficient. No additional equipment is required.
Can I use a thread locker?: While the nut is designed to stay secure without a thread locker, applying a high‑temperature locker can provide extra peace of mind, especially for tactical use.
Will the coating wear off with regular use?: The black phosphate coating is engineered for durability and should maintain its protective qualities for the lifetime of the component under normal conditions.

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SubCategory	Handgun Parts
Category	Parts
Manufacturer	Smith & Wesson