DyTac has published photos of 4 new kits for Glock 17 and 19 replicas.
The JW 9 is a kit intended for the in 4th generation Glock 17 replicas by UMAREX/VFC (previously a version for Tokyo Marui replicas was also available). The kit consists of a slide, an elongated outer barrel with a thread for mounting a silencer, a protective nut, elevated sights and a dummy extractor.
A pistol with the kit installed:
A similar kit with the Spartan lock was prepared for the 3rd generation Glock 19 replica:
Both slides, the JW9 and the Spartan, can also be bought in versions adapted for the collimator mount (RMR).
The JW9 (Glock 17 4Gen)
and the Spartan (Glock 19 3 Gen)
The announcements also included 3 designs of titanium caps with protective threads, which apparently can be "thermally customized" be oneself.
Currently at the DyTac online store only the "regular" JW9 kit is available for 120 USD.