The Mec Sizemaster 12 gauge is a staple in the reloading world, renowned for its robust build, ease of use, and consistent performance. Whether you're a seasoned reloader or just starting your journey, understanding its features and capabilities is crucial for optimal results. This comprehensive guide will delve into everything you need to know about the Mec Sizemaster 12 gauge, helping you maximize its potential and achieve consistently high-quality reloads.
Understanding the Mec Sizemaster 12 Gauge
The Mec Sizemaster is a progressive reloading press, meaning it performs multiple steps in a single cycle. This efficiency makes it a popular choice for high-volume reloaders. Unlike single-stage presses that require multiple steps and press changes, the Sizemaster streamlines the process, significantly reducing reloading time. Its 12-gauge capability caters to a popular shotgun gauge, making it incredibly versatile for various shooting disciplines.
Key Features and Benefits:
- Progressive Reloading: Performs multiple steps—sizing, priming, powder charging, and shot/wad seating—in a single cycle.
- Durable Construction: Built to last with robust materials, ensuring years of reliable service.
- Easy Operation: User-friendly design simplifies the reloading process, even for beginners.
- Consistent Results: Produces consistently sized and loaded shells, minimizing variations and maximizing performance.
- Versatile: Adaptable to various 12-gauge shotshell loads, allowing for customization based on your needs.
- Relatively Low Cost (compared to other progressive loaders): Offers excellent value for its performance and features.
Setting Up and Using Your Mec Sizemaster 12 Gauge
Before you begin, familiarize yourself with the Mec Sizemaster's components and their functions. The manual provides detailed instructions, but here's a general overview:
Setting Up:
- Assembly: Carefully assemble the press according to the manufacturer's instructions. Ensure all parts are securely in place.
- Die Adjustments: Properly adjust the sizing, powder, and shot/wad seating dies for your chosen load. Accurate adjustments are critical for consistent results.
- Primer Feed Adjustment: Configure the primer feed mechanism to ensure reliable primer delivery.
- Powder Measure Calibration: Calibrate the powder measure to accurately dispense the desired powder charge. This step requires precision and careful measurement.
Operating the Press:
- Shell Preparation: Prepare your empty hulls by removing any existing primers and ensuring they are clean.
- Loading the Press: Load the empty hulls into the press according to the manufacturer's instructions.
- Operating the Handle: Operate the handle smoothly and consistently, ensuring each step is completed correctly.
- Inspection: Inspect each finished round to ensure proper seating, powder charge, and overall quality.
Troubleshooting Common Issues
Despite its reliability, you might encounter minor issues. Here are a few common problems and their solutions:
- Primer Failures: Check the primer feed mechanism, ensure primers are correctly seated, and verify the primer type is compatible with your setup.
- Powder Charges Inconsistent: Recalibrate the powder measure, check for powder bridging or clumping, and ensure the powder flow is smooth and unobstructed.
- Shot/Wad Seating Problems: Check die adjustments, ensure wads are correctly seated, and verify the shot charge is appropriate.
Maintaining Your Mec Sizemaster 12 Gauge
Regular maintenance is vital for the longevity and performance of your Mec Sizemaster. This includes:
- Cleaning: Regularly clean the press to remove powder residue, shot, and debris.
- Lubrication: Lubricate moving parts as needed to ensure smooth operation and prevent wear.
- Inspection: Periodically inspect the press for wear and tear, replacing any damaged or worn parts.
By following these guidelines, you can ensure your Mec Sizemaster 12 gauge provides years of reliable service, producing high-quality reloads for your shooting needs. Remember, safety is paramount when reloading ammunition. Always refer to the manufacturer's instructions and follow safe reloading practices.
