Bullnose melonite coated slide with front and rear serrations and an RMR footprint with recoil bosses. Compatible with Gen 3 frames. Get a Gen 5 look on your gen 3 frame. All internals installed and recoil rod included. PVD titanium nitride (gold) crown/cut barrel for Glock 19 Gen 1-5 installed. Requires lube and a break in period. Finish note: The TiN coating will show wear at metal-to-metal contact points - primarily the locking lug face and barrel hood - over time. This is normal and does not affect function or accuracy. Optic & cover-plate hardware: RMR footprint. Screw specs for reference: cover plate 6-32 x 1/3, optic 6-32 x 7/16. Frame parts kit included This build is bundled with the 3CR Tactical frame completion 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 (Gen 3) Trigger spring, trigger pin and trigger housing pin Connector Magazine release with spring Slide stop release with spring Slide lock with two springs - one for the Glock 17 frame, one for the Glock 19 Locking block pin Kit fitment - the frame parts kit is Gen 3 : the trigger housing ships with the Gen 3 ejector. The slide itself fits Glock 19 Gen 3 frames. What you'll still need to supply A Glock 19 Gen 3 frame 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.