# Dillon Precision RL550C Progressive Reloading Press vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press: specs and price compared

A sourced, side-by-side comparison of the Dillon Precision RL550C Progressive Reloading Press (Dillon Precision) and Frankford Arsenal M-Press Coaxial Single Stage Reloading Press (Frankford Arsenal) among reloading presses. Frankford Arsenal M-Press Coaxial Single Stage Reloading Press is the cheaper of the two at $281.99.

## Side by side

| Spec | Dillon Precision RL550C Progressive Reloading Press | Frankford Arsenal M-Press Coaxial Single Stage Reloading Press |
| --- | --- | --- |
| US price | $590 | $281.99 |
| Brand | Dillon Precision | Frankford Arsenal |
| Press type | progressive, manual indexing | single stage, co-axial |
| Number of stations | 4 | 1 |
| RAM diameter (in) | — | — |
| Rounds per hour | 400-600 | — |
| Priming system | on-press, automatic primer feed seated at station 1 | off-press, not integrated (separate priming tool required) |
| Frame material | aluminum alloy frame with steel toolhead and linkage | cast iron with dual guide rods |
| Shellplate turret compatibility | quick-change steel shellplate, caliber-specific; over 160 cartridges supported via Dillon conversion kits | universal dial-adjustable shell holder (no separate shell holders needed); 3 included interchangeable die blocks; free-floating co-axial die/shellholder alignment |
| Mounting footprint | bench-mount, 4-bolt pattern; compatible with optional Dillon Strong Mount | bench-mount |

## Key differences

- Press type: Dillon Precision RL550C Progressive Reloading Press progressive, manual indexing vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press single stage, co-axial
- Number of stations: Dillon Precision RL550C Progressive Reloading Press 4 vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press 1
- Priming system: Dillon Precision RL550C Progressive Reloading Press on-press, automatic primer feed seated at station 1 vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press off-press, not integrated (separate priming tool required)
- Frame material: Dillon Precision RL550C Progressive Reloading Press aluminum alloy frame with steel toolhead and linkage vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press cast iron with dual guide rods
- Shellplate turret compatibility: Dillon Precision RL550C Progressive Reloading Press quick-change steel shellplate, caliber-specific; over 160 cartridges supported via Dillon conversion kits vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press universal dial-adjustable shell holder (no separate shell holders needed); 3 included interchangeable die blocks; free-floating co-axial die/shellholder alignment
- Mounting footprint: Dillon Precision RL550C Progressive Reloading Press bench-mount, 4-bolt pattern; compatible with optional Dillon Strong Mount vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press bench-mount

## Sources

- Dillon Precision RL550C Progressive Reloading Press: https://www.dillonprecision.com/s000224 (dillonprecision.com, verified 2026-08-11)
- Frankford Arsenal M-Press Coaxial Single Stage Reloading Press: https://www.frankfordarsenal.com/presses-and-scales/presses/reloading-presses/m-press-coaxial-reloading-press/1097879.html (frankfordarsenal.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/reloading-presses/dillon-precision-rl550c-vs-frankford-arsenal-m-press/
Cite: Per The Front Desk Review, Dillon Precision RL550C Progressive Reloading Press ($590) vs Frankford Arsenal M-Press Coaxial Single Stage Reloading Press ($281.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reloading-presses/dillon-precision-rl550c-vs-frankford-arsenal-m-press/
License: CC BY 4.0.