Hornady Lock-N-Load A-Series Modified Case – .338 RCM | Precision Chamber Measurement Tool | A338R (UPC: 090255697971)
Achieve unmatched reloading accuracy and consistency with the Hornady Lock-N-Load A-Series Modified Case for .338 RCM, the essential tool for precision shooters, reloaders, and long-range enthusiasts who demand maximum performance from their ammunition. Engineered to work seamlessly with the Hornady Lock-N-Load Overall Length Gauge, this specially crafted modified case ensures precise bullet seating depth measurements—helping you fine-tune your loads for superior consistency, reduced group size, and peak ballistic performance.
The Hornady A338R Modified Case is machined from premium brass and designed specifically to replicate the exact chamber dimensions of the .338 Ruger Compact Magnum (RCM) cartridge. Whether you’re building a custom hunting load, optimizing long-range performance, or experimenting with bullet jump, this modified case is the foundation you need for precision handloading.
Designed for Use with the Hornady O.A.L. Gauge
This A-Series modified case threads directly onto the Hornady Lock-N-Load Overall Length Gauge, allowing reloaders to:
Determine exact bullet seating depth
Measure precise distance to the lands (rifling)
Establish consistent cartridge base-to-ogive values
Customize loads for accuracy and reliability
With a perfect interface between the modified case and the O.A.L. Gauge, you can eliminate guesswork and achieve repeatable, precision measurements for your rifle’s specific chamber.
Precision-Machined for .338 RCM Chambers
Designed specifically for .338 RCM rifles, each Hornady Modified Case is:
Machined to exact chamber specifications
Uniform in size and shape for consistent results
Calibrated to match true SAAMI specifications
Built to deliver precise alignment for your bullet and gauge
This ensures the most accurate possible reading of your firearm’s unique throat and chamber geometry.
Premium Brass Construction for Durability & Precision
Hornady manufactures each modified case from high-quality brass, ensuring:
Exceptional dimensional stability
Long-lasting durability
Smooth internal surfaces for consistent bullet alignment
Precision-threaded base for secure attachment
This attention to detail results in more accurate reloading data and better on-target performance.
Optimize Your Reloading for Accuracy & Consistency
When developing a precision handload, seating depth is one of the most critical factors affecting:
With the Hornady A338R Modified Case, reloaders can make micro-adjustments to seating depth that result in significant improvements in downrange performance.
Perfect for Hunters, Long-Range Shooters & Reloading Enthusiasts
Whether you're dialing in a long-range rig or preparing for a big-game hunt, this modified case allows you to create ammunition tailored to your rifle. It's perfect for:
Big game hunting with .338 RCM
Long-range target shooting
Custom load development
Precision reloaders who demand exact measurements
Serious reloaders know that precision starts with the right tools—and this modified case delivers.
Key Features & Benefits
For .338 RCM (Ruger Compact Magnum)
Compatible with Hornady Lock-N-Load O.A.L. Gauge
Premium Brass Construction
Precision-Machined for Exact Chamber Fit
Allows Accurate Seating Depth Adjustment
Improves Accuracy, Consistency & Performance
Easy-to-Use Threaded Interface
Essential for Serious Reloaders & Long-Range Shooters
Model: A338R
UPC: 090255697971
Why Choose Hornady Lock-N-Load A-Series Modified Cases?
Hornady is a leader in reloading innovation, trusted by competitive shooters, hunters, and professionals across the globe. Their A-Series Modified Cases are built with exacting standards to help reloaders get the most accurate and reliable measurements possible. When precision matters, you can trust Hornady to deliver the tools you need to perform at the highest level.
Dial in your seating depth, enhance your accuracy, and perfect your handloads with the Hornady Lock-N-Load A-Series Modified Case – .338 RCM (A338R).
The End
