Fact 1: When the inner barrel diameter is the same (6.04mm), changing the length by 100mm causes the velocity to change by 28 FPS.

But the "Effect of Inner Barrel Length on Airsoft BB Velocity" article clearly shows that the FPS can be changed quite easily with a different inner barrel.

There are debates on whether airsoft inner barrel length makes a difference when it comes to accuracy. Unlike real firearms, where the bullet travels over 3000 ...

The inner barrel on a airsoft gun is the ... BB pellet via the hop-up bucking determines the spin/velocity. ... airsoft BB out when the gun fires. The cylinder ...

Inner barrel flex and motion does decrease accuracy and precision. Hardened steel barrel is a must to minimize flex. The inner barrel, outer barrel, and rail ( ...

Changing the inner barrel length could give you a performance boost. Changing the muzzle and the external barrel could give your airsoft gun a unique ...

Barrel Length and Red Dot Sight Accuracy Test. Barska 30mm Red Dot Scope Review ... Effect of Inner Barrel Length on Airsoft BB Velocity. Emerson FAST Type ...

Sep 27, 2013 · Excerpt: One of the biggest problems with FPS drop in airsoft guns is spring tension. Holding the spring compressed for long periods of time ...

I upgraded the Echo1 Red Star IGOR from a 428mm barrel to an Angel Custom 6.01mm 470mm inner barrel. The original velocity was 367 FPS. After the upgrade the ...

May 14, 2014 · By increasing compression, the BB will shoot out faster, you can increase compression by decreasing the inner barrel diameter or increasing the ...