I searched and found that 5.5 degree XP-G R5 produces low 6K +/- lux at 1m.
XR-E R2's come with 8 degree optics both from Nailbender and Malkoff and again the lux are similar.
To get a narrow beam you have to go Smooth Reflectored, but the beam will not be as pretty with eighter XP-G or XR-E.
The highest throwing (non-aspheric) P60 drop-in is still an old XR-E R2 SMO Dereelight or similar.
currently; NB is making me a XR-E R2 EZ900 with Smooth Reflector at 1.3A. Potted and with AS5 I hope to get 250ish OTF and 10k~14k lux at 1 meter.
bigC