A Glock 26 Gen 3 slide assembly, built in-house at 3CR Tactical - machined from 416 stainless, finished in salt-bath black nitride, with a lightening window that cuts reciprocating mass and shows the barrel through the top of the slide, with front and rear cocking serrations and the RMR footprint cut directly into the slide with a cover plate installed. Assembled with a crown-cut black nitride 9mm barrel, standard-height polymer sights, and the full 3CR Tactical slide completion kit. What's included Windowed slide, RMR optic cut, black nitride over 416 stainless Optic cover plate, installed 9mm crown-cut black nitride barrel Standard-height polymer sights, installed 3CR Tactical slide completion kit - striker, extractor, safety and recoil assembly Glock 26 Gen 3 frame parts kit (lower parts kit) - full contents below Fitment - Glock 26 Gen 1-3 frames and third-party subcompact frames built to the same pattern (including Polymer80 PF940SC). Use a Gen 3-spec recoil spring assembly; Gen 4/5 recoil assemblies use different geometry. Optic & cover-plate hardware: RMR footprint (Trijicon RMR, Holosun 407C/507C, SRO and similar). Screw specs for reference: cover plate 6-32 x 1/3, optic 6-32 x 7/16. Optic sold separately. Frame parts kit included This build is bundled with the Glock 26 Gen 3 lower parts kit - the lower components needed to finish a frame, bundled below what the kit sells for on its own. Trigger with trigger bar Trigger housing with ejector Trigger spring and connector Trigger pin and trigger housing pin Slide lock and slide lock spring (Glock 26-specific) Extended slide stop release with spring Magazine release and magazine release spring Locking block pin Not included: the locking block itself. Polymer80 frame kits ship with their own locking block; for a factory frame, reuse yours or add one separately. What you'll still need to supply A Glock 26 Gen 3 frame (or compatible) and a magazine This is a slide assembly and a frame parts kit. It is not a complete pistol and does not include a frame. DISCLAIMER: GLOCK is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H. Neither 3CR Tactical nor this site are affiliated with, or endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of "GLOCK" on this page is merely to advertise the sale of aftermarket GLOCK pistol components. For genuine GLOCK, Inc. products, visit www.glock.com.