The singlecut version of the SE McCarty 594.
8 mods reviewed: 4 drop-in, 3 need verification, 1 needs modification.
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Andertons
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The singlecut version of the SE McCarty 594. The name comes from its 24.594 inch scale length, a distinctly PRS measurement shorter than the Custom 24's 25 inches and closer to a Les Paul's 24.75. It uses the PRS Two-Piece Bridge, a separate bridge and stoptail tailpiece, which is a different hardware family from the PRS tremolo and wraparound stoptail used elsewhere in the range, so parts aren't interchangeable across those bridge types even within the same brand. The hardware, pickups and controls match the double-cut SE McCarty 594.
Neck mounting
Set neck (glued)
Scale length
24.6" (625mm)
Nut width
42.9mm (1.689")
Tailpiece
Separate stoptail tailpiece (part of the PRS Two-Piece Bridge)
Not published by PRS: string spacing, tuner hole size and bridge mounting spacing. Measure these before buying tuners or a bridge.
The Two-Piece Bridge's actual string spacing figure is genuinely hard to pin down, searches consistently surface pickup pole spacing instead of true bridge string spacing, and the two should not be conflated. Left unconfirmed rather than guessed at.
This model's exact bridge spacing is genuinely hard to pin down in available sources. Measure before ordering a locking bridge replacement.
The Two-Piece Bridge's true string spacing is not reliably documented, searches consistently surface pickup pole spacing instead of actual bridge spacing, so a match to this locking retrofit has not been confirmed.
Help confirm this fit
Fits the standard humbucker route on this guitar. A more vintage-voiced alternative to a higher-output pickup. You will need to solder it in.
Standard humbucker footprint, direct fit for the stock HH route. A medium-output, more vintage-leaning alternative to a higher-output pickup like the JB.
A genuine PRS-branded pickup option built for this exact route. Still needs soldering to install.
This is PRS's own 58/15 humbucker set, the genuine factory-spec pickup family for this guitar rather than a third-party lookalike.
Fits the standard humbucker route on this guitar. You will need to solder it in.
Standard humbucker footprint, direct fit for the stock HH route.
£129.99 at Andertons
View at AndertonsA well regarded humbucker, but some owners report it running wide for PRS SE-spec routes. Worth confirming fit before ordering.
Player reports describe Suhr's Thornbucker as physically wider than PRS SE-spec humbucker spacing in some cases, potentially requiring pickup ring or route adjustment.
Help confirm this fit
Owners report these go straight into the SE McCarty 594's existing bushings with just a screwdriver, no drilling. It must be the non-collared KRGLNC version: one owner bought the collared KRGL first and it would not fit. Nickel matches the stock hardware.
Evidence: two independent owner reports of a no-drill fit on SE McCarty 594 (PRS forum thread on installing Kluson Revolution on SE 594, where KRGL-3-NP failed and KRGLNC-3-NP was the fix; JustinGuitar community post on SE 594 Singlecut with Kluson Revolution non-collared, original rings kept). Hardware is identical on the double-cut and Singlecut per PRS spec pages. Screw hole alignment not independently measured, so Likely rather than Verified.
See current price at Reverb
View at Reverb
Owner reports are mixed on this guitar. One owner says PRS confirmed these fit, another says one screw hole had to be drilled. The Kluson non-collared locking tuners are the safer no-drill choice here. Note these are chrome, while the stock hardware is nickel.
Changed from Not compatible on 2026-09-29. Previous note claimed the vintage-style layout ruled it out, but PRS forum reports conflict: one owner says PRS confirmed 106297 fits the SE 594, another says a new screw hole is needed. Not strong enough to assert either way.
Help confirm this fit
See also
£99.99 at Andertons
View at Andertons
A genuine PRS part, but owners report needing to drill new mounting holes to fit it on SE-tier guitars.
PRS forum owner reports describe these Core-tier tuners requiring new mounting holes drilled on SE guitars, not a clean drop-in despite being a genuine PRS part.
Help confirm this fit
See current price at Amazon
View at AmazonIf you have fitted any of these to this PRS SE McCarty 594 Singlecut, tell us what you found and we'll update the data.
