45cm Aluminium barrel tube fits for M249.
You need to use it with this T-piece to install it.
Barrel Length: 45cm
Internal diameter: 7.5mm
Compatible model: M249
-Update your old or damaged parts.
-Stable characteristics, reliability.
-Upgrade aluminium material, makes your toys more prominent and personable.
1 x Barrel Tube
1 x T-piece