Norma Unprimed Brass – 300 WSM (50 Pack) offers premium-grade cases with annealed necks, tight tolerances, and long reload life—ideal for precision handloads and magnum hunting setups.
🧱 Product Overview
Norma’s 300 Winchester Short Magnum brass is engineered for reloaders who demand consistent performance, dimensional accuracy, and extended case life. Each case is made from high-quality raw materials and undergoes multi-stage annealing to optimize elasticity and prevent neck splitting.
🔧 Key Specifications
Caliber: .300 WSM (Winchester Short Magnum)
Quantity: 50 unprimed brass cases
Primer Pocket: Large rifle standard
Finish: Natural brass with annealed necks
Manufacturer Part Number: 20276767
UPC: 7393923322568
Country of Origin: Sweden
🎯 Performance Features
Annealed necks ensure proper bullet tension and prevent gas leakage
Hardness gradient: softer neck, firmer base for structural integrity
Dimensional consistency for smooth chambering and repeatable accuracy
Long reload life—holds bullet securely for years without material fatigue
Ideal for: magnum hunting loads, long-range precision builds, and match-grade reloading
💡 Strategic Selling Points
Perfect for bundling with premium magnum bullets, large rifle primers, and case prep tools
Meta-safe for social posts: highlight annealing glow, brass symmetry, and load groupings
Great for comparison content vs. Lapua, Hornady, or Peterson brass—especially on case longevity and neck tension
RCBS Lube-A-Matic Sizer Die – .310 Diameter
The RCBS Lube-A-Matic Sizer Die in .310" is a precision tool designed for lubricating and sizing cast bullets to a consistent diameter. Built for use with the RCBS Lube-A-Matic-2 and Lyman 450/4500 lubricators, it ensures perfect cylindrical alignment and applies lube to grease grooves in a single stroke.
Key Features:
.310" Diameter Sizing: Ideal for .30-caliber cast bullets
Precision-Honed Interior: Maintains bullet concentricity within ±0.0005" tolerance
Hardened Steel Construction: Long-lasting and resistant to wear
Gas Check Compatible: Helps crimp gas checks during sizing
Cross-Compatible: Fits both RCBS Lube-A-Matic-2 and Lyman 450/4500 sizers
Specifications:
Feature
Details
Caliber
.310" (for .30-cal bullets)
Die Type
Lube & Sizer Die
Material
Hardened Steel
Compatibility
RCBS Lube-A-Matic-2, Lyman 450/4500
Top Punch
Sold separately
Performance and Application
Perfect for cast bullet reloaders, this die ensures uniform bullet diameter and proper lubrication, which are critical for accuracy and reduced barrel leading. It’s especially useful for shooters loading for .30-caliber rifles like the .30-30, .30-06, or .308 Win.
RCBS .308 Winchester Neck Sizing Die – Precision Reloading for Bolt-Actions
The RCBS .308 Neck Sizing Die is engineered to resize only the neck of fired brass, preserving the fire-formed fit to your rifle’s chamber. This results in improved accuracy, longer brass life, and reduced working of the case—ideal for bolt-action rifles where the same brass is reused in the same firearm.
Key Features:
Neck-Only Resizing: Maintains chamber fit for enhanced precision
Expander-Decapping Unit: Resizes the neck and removes spent primers in one step
Case-Hardened Steel Construction: Built for durability and long-term use
Standard 7/8"-14 Threading: Fits most single-stage and turret presses
Made in the USA: Backed by RCBS’s reputation for quality
Specifications:
Feature
Details
Caliber
.308 Winchester
Die Type
Neck Sizing Die
Material
Case-hardened steel
Thread Size
7/8"-14
Shell Holder
Not included
Performance and Application
This die is best suited for precision shooters and reloaders who want to maximize case life and accuracy. It’s especially effective when used with brass fired in the same bolt-action rifle. The die includes an expander-decapping unit and is compatible with standard RCBS shell holders.
