Looking to build a few weapons light with a host body, was wondering which of the dropins fit the Solarforce without any modifications?

Thanks.

Sorry for the delay... I only deal with Malkoff & Lumens Factory LED drop-ins for the simple fact they work reliably and stand behind their product without hassle.  The Malkoff are US made and are extremely tough and offer the best balance of performance & runtime plus they have a variety of choices for more specific needs.  The Lumens Factory D26 R5's are excellent drop-ins as well but the runtime is a bit shorter than the M61 & M61W.  Both the Malkoff M61 series & L.F. D26's should fit the Solarforce body but the M61 will need a fit ring as well.