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Stern Defense 9mm Mag Phosphate Steel for AR15/M16
STERN DEFENSE$129.99Made with 8620 AISI steel and boasting a Mag-Phosphate finish, the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully... -
Stern Defense 004SDBU45D1M 45 ACP Mag Phosphate Steel for AR15/M16
STERN DEFENSE$150.65Made with 8620 AISI steel and boasting a Mag-Phosphate finish, the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully... -
Stern Defense 9mm NIB/Mag Phosphate Hybrid AR15/M16 8620 Steel 004SDBU9NIBECHOD2M
STERN DEFENSE$169.99Made with 8620 AISI steel and boasting a NIB/Mag-phosphate finish, the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully... -
Stern Defense Mag-AD9 9mm/40 S&W Glock Adapter - Black Aluminum
STERN DEFENSE$179.99Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W Glock Magazines. The Mag-AD series adapters install in seconds. Boasting a last round hold open feature making... -
Stern Defense Mag-AD9 Adapter for Sig P320/P250 9mm/40 S&W - Black Aluminum
STERN DEFENSE$186.99Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W M&P and P320/P250 Magazines. The Mag-AD series adapters install in seconds. Boasting a last round hold open...
