Maple Leaf 6.04 Crazy Jet Barrel for VSR-10 640mm

The Maple Leaf 6.04 Crazy Jet Barrel for VSR-10 640mm is one of the best inner barrels available for VSR-10 type airsoft rifles.

Maple Leaf's Crazy Jet barrel creates a cushion of air around the bb, which means the bb has less resistance in flight and also gives you a bit more precision than the standard barrel.
This is due to a special construction this inner barrel has.