Search results for '357 mm tight bore barrel'

On real dissipator barrels, you can find out two "front sight" adapters.
The first one (close to flash hider) is for "front sight" and the second one (close to the receiver) is for the "Gas Block and Tube"
By having it this way, you can have a A2 barrel length but the "gas blowback" is still efficient like a regular M4.
Learn more about Dissipator barrels here:

The Madbull JP Gas Block Kit is truly one of a kind in the airsoft world. It allows you to have 4 different lengths of outer barrels without the price of 4 new individual outer barrels. Even though it is a 2 piece barrel, the Madbull JP Gas Block Kit uses large threads and a set screw to achieve the sturdiness of a one piece barrel. It is light weight in comparison with other one piece barrels and is constructed with aluminum. This kit will allow you to use almost any rail system in the market and be able to switch outer barrels at any time without the hassle of removing the rail system first. 

The Madbull JP Gas Block Kit is truly one of a kind in the airsoft world. It allows you to have 4 different lengths of outer barrels without the price of 4 new individual outer barrels. Even though it is a 2 piece barrel, the Madbull JP Gas Block Kit uses large threads and a set screw to achieve the sturdiness of a one piece barrel. It is light weight in comparison with other one piece barrels and is constructed with aluminum. This kit will allow you to use almost any rail system in the market and be able to switch outer barrels at any time without the hassle of removing the rail system first.

Black Python BP650 650mm Tight Bore Barrel 

Black Python BP590 590mm Tight Bore Barrel