Description
4-40 Set Screw for Threaded Rear Takedown Detent Spring. Made in the USA.
Features:
- 4-40 Set Screw (1)
- 4-40 Threads
- .0500 Hex Drive.
- The takedown spring will need trimmed to fit.
- Made in the USA
We sell a 4-40 Screwdriver that fits this screw.
We include one of these in all of our lower parts kits.
Fits lower receivers that have a threaded hole for the rear takedown spring and detent like the:
We also carry the following fasteners for AR15 Lower Receivers:




