Stern Defense 004SDBU9D1M 9mm Mag Phosphate 8620 Steel AR15/M16 004SDBU9D1M 004-SD BU9-D1-M

The Stern Defense 9mm Bolts are designed to function with both Colt SMG, Glock magazines and are fully compatible with standard AR15/M16 charging handles, giving you more options for your build.

These come with either a Melonite or Nickel-Boron/Melonite hybrid finish, and are fully assembled with all sub-components installed, including firing pin/spring/retaining pin, extractor, and extractor spring.   

• Constructed from 8620 AISI steel
• Glock or Colt SMG magazine compatible
• Cartridge: 9mm NATO
• Finish: Black

The Stern Defense 9mm bolts incorporate a design which caters to single stage triggers with short resets. It also allows use with the JP silent capture spring. This bolt is compatible with the Law Tactical folding stock adapter and the Echo triggers. Made in the U.S.A.

Manufacturer Part Number: 004-SD BU9-D1-M