Hornady Lock-N-Load Powder Measure O-Ring
Hornady’s Lock-N-Load Powder Measure O Ring keeps your measure sealed and consistent, preventing leaks and helping you throw accurate charges every time you sit down to reload.
Product Overview
The Hornady Lock-N-Load Powder Measure O-Ring (Part No. 392766) is a small component that makes a big difference to your reloading consistency. Purpose-built for the Hornady Lock-N-Load Powder Measure system, this Buna O-ring sits in the metering assembly to provide a positive seal and stable tension on the plunger. The result is smooth operation, repeatable throws, and reduced risk of powder leakage — exactly what you want when you’re chasing tight ES and SD on the range or in the field.
Whether you’re loading bulk pistol ammo or fine-tuning a precision rifle load, a worn or damaged O-ring can introduce inconsistency into your powder charges. Replacing it with a genuine Hornady 392766 O-ring restores the correct feel to the adjustment sleeve and helps maintain uniform metering. It’s a simple, inexpensive part that protects the performance of your Lock-N-Load Powder Measure, keeps your bench running reliably, and lets you focus on building accurate ammunition instead of fighting your equipment.
Key Features
- Precision-fit O-ring designed specifically for the Hornady Lock-N-Load Powder Measure, ensuring a reliable seal at the metering unit interface.
- Prevents powder leakage around the metering assembly, helping maintain consistent charge weights for more accurate and repeatable reloads.
- Buna rubber construction provides durable, resilient sealing performance under repeated cycling of the powder measure handle.
- Correct size and profile (Hornady part no. 392766 / O-ring #029) eliminates guesswork when replacing worn or damaged seals.
- Supports smooth operation of the adjusting sleeve and lock nut, reducing unwanted movement that can affect powder charge settings.
- Simple drop-in replacement part that restores factory performance without the need for modifications or special tools.
- Compatible across Lock-N-Load Powder Measure and Bench Rest Grade Powder Measure assemblies that specify O-ring #029, streamlining maintenance for multi-press setups.
- Helps protect surrounding metal components from abrasive powder migration, contributing to longer service life of the powder measure.
- Maintains a secure fit during extended loading sessions, reducing the need for frequent re-checks of the metering unit tension.
- Genuine Hornady component backed by the brand’s reloading tool standards, ensuring proper fit and performance in Lock-N-Load systems.
Included in the Box:
- Hornady Lock N Load Measure O Ring (Item No. 392766)
| SKU | HOR392766 |
| Model # | 392766 |
| Brand | Hornady |
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