Madbull 1inch outer barrel extension with inner barrel stabilizer reg_HR Unlike M16 or MP5 series

Unlike M16 or MP5 series

Gives your rifle a unique SPR look

Polymer Slide (Engraved "Detonics

's in improved Mk

Fit for mount on 20mm Picatinny Rail

Madbull 1inch outer barrel extension with inner barrel stabilizer reg_HR Unlike M16 or MP5 seriesMadbull 1Inch Outer Barrel Extension with Inner Barrel Stabilizer INCH BARREL EXTENSION KEY FEATURES: CNC Lightweight Alumninum with Level II Black Anodize (seamlessly integrates with Madbull black outer Barrels) CCW threaded on both ends Hides extra inner barrel slack Adds space for quick detach or other barrel accessories Solves common issues: 1) inner barrel longer than outer barrel. 2) RIS longer than outer barrel Recommended for use with Madbull