MEC Steelmaster Single Stage Shotshell Press 10 Gauge 3-1/2″


Mec is known for making high-quality shotshell presses that work great for all levels of shotshell reloaders from beginners just learning this skill to advanced loaders who have been reloading for decades. The MEC Steelmaster offers simplicity without sacrificing convenience and efficiency. The “Power Ring” collet resizer returns bases to factory specification, regardless of whether they’re brass or steel heads, high or low base. Factory set for 3-1/2″ shells. Adjustable for 2-7/8″ shells with MEC short kit (sold separately). Additional die sets (to change gauges) are available. E-Z Prime primer feeder included on 10, 12, 16, 20, 28 gauge models.

Shell Length: Set by the factory at 3-1/2″ but can be adjusted to 2-7/8″ length with the MEC short kit (sold separately)
Priming Feature: E-Z Prime Automatic Primer Feeder (except on 410 bore models)

1-1/2 ounce Charge Bar (BB’s-2 steel shot)
Three Interchangeable Powder Bushings (others available separately)
Load Rate: Can load 6 to 8 boxes of shells per hour (approximately 150 to 200 shells)
Charge Bar Shot Weight: 1-1/2oz
Powder Bushings Included: 31, 34, 37
Gauge Conversions Available: Yes

Factory set for 3-1/2″ shells.
Adjustable for 2-7/8″ shells with MEC Short KIT #557151
Die sets are available separately for all gauges.
Works equally well on lead shot (with lead shot charge bar)

Power Ring Collet Resizer (returns every base to factory specs, whether brass or steel)
Cam-action Crimp Die
Spindex Crimp Starter (swivels to align itself correctly with original shell creases)

Product Information
Shell Length
Frame Material
Press Type
Single Stage
Priming Feature
E-Z Prime Automatic Primer Feeder
Handle Location
Top Center
Number of Mounting Holes
Spent Primer Collection System
Gauge Conversions Available
Powder Bushings Included
31, 34, 37
Charge Bar Shot Weight
1-1/2 oz (BB’s-2 steel shot)
Delivery Information
Shipping Weight 20.480 Pounds


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