Stern .40S&W barrels are ideal for gun lovers who want to build their own custom dedicated .40S&W AR15 upper group. Machined to tight tolerances with quality as a top priority, you can't go wrong with the SD .40 cal barrel.
Note: All SD Barrels come with the locating pin installed.
Information:
- Barrel length is measured in overall length.
- Caliber: 40S&W.
- Length: 6 Inches.
- Made in the U.S.A.
- Threaded .578-28.
- 1:16 TWIST.
- 4150 Chrome-molly steel.
- Melonite coating.
