# Hornady Lock-N-Load AP Progressive Reloading Press vs RCBS Rock Chucker Supreme Single Stage Reloading Press: specs and price compared

A sourced, side-by-side comparison of the Hornady Lock-N-Load AP Progressive Reloading Press (Hornady) and RCBS Rock Chucker Supreme Single Stage Reloading Press (RCBS) among reloading presses.

## Side by side

| Spec | Hornady Lock-N-Load AP Progressive Reloading Press | RCBS Rock Chucker Supreme Single Stage Reloading Press |
| --- | --- | --- |
| US price | not published | $259.99 |
| Brand | Hornady | RCBS |
| Press type | progressive, auto-indexing | single stage |
| Number of stations | 5 | 1 |
| RAM diameter (in) | — | 1 |
| Rounds per hour | up to 500 | — |
| Priming system | on-press, automatic case-activated Positive Priming System | off-press, separate hand-priming tool required (no integrated priming arm standard) |
| Frame material | cast iron | cast iron, O-frame |
| Shellplate turret compatibility | 5-station Lock-N-Load quick-change die bushing system, accepts standard 7/8-14 dies via LNL bushings; caliber changeover in under 5 minutes | standard 7/8-14 threaded dies, 4.25 in. loading window for magnum-length cartridges |
| Mounting footprint | bench-mount, 4-bolt pattern | bench-mount, 4-hole pattern |

## Key differences

- Press type: Hornady Lock-N-Load AP Progressive Reloading Press progressive, auto-indexing vs RCBS Rock Chucker Supreme Single Stage Reloading Press single stage
- Number of stations: Hornady Lock-N-Load AP Progressive Reloading Press 5 vs RCBS Rock Chucker Supreme Single Stage Reloading Press 1
- Priming system: Hornady Lock-N-Load AP Progressive Reloading Press on-press, automatic case-activated Positive Priming System vs RCBS Rock Chucker Supreme Single Stage Reloading Press off-press, separate hand-priming tool required (no integrated priming arm standard)
- Frame material: Hornady Lock-N-Load AP Progressive Reloading Press cast iron vs RCBS Rock Chucker Supreme Single Stage Reloading Press cast iron, O-frame
- Shellplate turret compatibility: Hornady Lock-N-Load AP Progressive Reloading Press 5-station Lock-N-Load quick-change die bushing system, accepts standard 7/8-14 dies via LNL bushings; caliber changeover in under 5 minutes vs RCBS Rock Chucker Supreme Single Stage Reloading Press standard 7/8-14 threaded dies, 4.25 in. loading window for magnum-length cartridges
- Mounting footprint: Hornady Lock-N-Load AP Progressive Reloading Press bench-mount, 4-bolt pattern vs RCBS Rock Chucker Supreme Single Stage Reloading Press bench-mount, 4-hole pattern

## Sources

- Hornady Lock-N-Load AP Progressive Reloading Press: https://www.hornady.com/reloading/presses/lock-n-load-ap (hornady.com, verified 2026-08-11)
- RCBS Rock Chucker Supreme Single Stage Reloading Press: https://shop.rcbs.com/rock-chucker-supreme-press/ (shop.rcbs.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/reloading-presses/hornady-lock-n-load-ap-vs-rcbs-rock-chucker-supreme/
Cite: Per The Front Desk Review, Hornady Lock-N-Load AP Progressive Reloading Press (not published) vs RCBS Rock Chucker Supreme Single Stage Reloading Press ($259.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reloading-presses/hornady-lock-n-load-ap-vs-rcbs-rock-chucker-supreme/
License: CC BY 4.0.