Glock OEM 17T Simulation & Training Recoil Spring Assembly

Features

1. Factory Original Glock Part — Genuine Glock OEM component (part #SP03706) built to the same material and workmanship standards as every part that ships in a Glock pistol.
2. Purpose-Built for the G17T — Engineered specifically for the Glock 17T Simulation & Training pistol used in force-on-force and marking-cartridge instruction.
3. Gen 3 Fitment — Correct recoil spring assembly for the Gen 3 G17T platform, ensuring proper slide cycling and lockup.
4. Captive Guide Rod Design — Spring and steel guide rod ship as a single captive unit for fast, tool-free drop-in installation.
5. Marked 5579-1 — Factory identification marking confirms the correct spring rate and revision for training-cartridge operation.
6. Steel Spring Construction — Heat-treated steel recoil spring delivers consistent tension and reliable return-to-battery over high round counts.
7. Tuned for Marking Cartridges — Spring weight is calibrated for lower-pressure simulation ammunition so the slide functions correctly during training.
8. Direct Replacement Wear Part — Restores proper cycling to a worn or fatigued G17T assembly and keeps your training pistol running like new.