Availability: In Stock
The MEC Sizemaster Single Stage Reloading Press for 16 gauge delivers straightforward, reliable shotshell reloading without unnecessary complexity. If you're working up consistent loads for hunting or clay sports, this single-stage press handles the full sizing and priming cycle in one fixture—no moving shells between stations, no learning a complicated setup. The all-in-one design means faster turnaround on small batches while maintaining the precision that keeps your patterns tight.
Built around MEC's proven "Power Ring" collet resizer, this press restores fired brass and steel hulls to factory specifications, whether you're reloading high-base or low-base shells. The E-Z Prime automatic primer feed keeps your hand work to a minimum and speeds up the repetitive stuff so you can focus on powder charges and pellet counts. That matters when you're running 50 or 100 rounds before a hunt—fatigue breeds mistakes.
The 16 gauge Sizemaster comes set up for 3-shell reloading and ships with one charge bar and three powder bushings, giving you flexibility to dial in different load weights without constant adjustments. It's a no-nonsense tool that rewards attention to detail without demanding you become a reloading engineer. Whether you're a newcomer sorting out your first handloads or a veteran who values simplicity, this press gets the job done.
| Gauge | 16 |
| Press Type | Single-stage |
| Primer Feed | E-Z Prime automatic |
| Resizer Type | Power Ring collet |
| Shell Compatibility | High-base and low-base |
| Shell Capacity Setting | Adjustable for 3 shells |
| Included Accessories | 1 charge bar, 3 powder bushings |
Yes. The Power Ring collet resizer works on both brass and steel heads, so you can reload whatever hulls you pick up at the range or field.
A single-stage press completes one step per pull—in this case, sizing and priming happen together. You then manually index the next shell and repeat. It's simpler to set up and maintain, and there's less to go wrong, though it takes more pulls to finish a batch than a progressive loader would require.
This Sizemaster is gauged for 16 bore and reloads 16 gauge shells only. MEC offers the same press in 12, 20, and 28 gauge as separate models.
The press ships with one charge bar and three powder bushings, which covers most common loads. You may want additional bushings if you plan to reload significantly different powder charges, but the included set gets you started.

SKU: 167527171 • Weight: 20.53oz




Availability: In Stock
The MEC Sizemaster Single Stage Reloading Press for 16 gauge delivers straightforward, reliable shotshell reloading without unnecessary complexity. If you're working up consistent loads for hunting or clay sports, this single-stage press handles the full sizing and priming cycle in one fixture—no moving shells between stations, no learning a complicated setup. The all-in-one design means faster turnaround on small batches while maintaining the precision that keeps your patterns tight.
Built around MEC's proven "Power Ring" collet resizer, this press restores fired brass and steel hulls to factory specifications, whether you're reloading high-base or low-base shells. The E-Z Prime automatic primer feed keeps your hand work to a minimum and speeds up the repetitive stuff so you can focus on powder charges and pellet counts. That matters when you're running 50 or 100 rounds before a hunt—fatigue breeds mistakes.
The 16 gauge Sizemaster comes set up for 3-shell reloading and ships with one charge bar and three powder bushings, giving you flexibility to dial in different load weights without constant adjustments. It's a no-nonsense tool that rewards attention to detail without demanding you become a reloading engineer. Whether you're a newcomer sorting out your first handloads or a veteran who values simplicity, this press gets the job done.
| Gauge | 16 |
| Press Type | Single-stage |
| Primer Feed | E-Z Prime automatic |
| Resizer Type | Power Ring collet |
| Shell Compatibility | High-base and low-base |
| Shell Capacity Setting | Adjustable for 3 shells |
| Included Accessories | 1 charge bar, 3 powder bushings |
Yes. The Power Ring collet resizer works on both brass and steel heads, so you can reload whatever hulls you pick up at the range or field.
A single-stage press completes one step per pull—in this case, sizing and priming happen together. You then manually index the next shell and repeat. It's simpler to set up and maintain, and there's less to go wrong, though it takes more pulls to finish a batch than a progressive loader would require.
This Sizemaster is gauged for 16 bore and reloads 16 gauge shells only. MEC offers the same press in 12, 20, and 28 gauge as separate models.
The press ships with one charge bar and three powder bushings, which covers most common loads. You may want additional bushings if you plan to reload significantly different powder charges, but the included set gets you started.
SKU: 167527171 • Weight: 20.53oz
