This video from Airsoft Taiwan show the test that they have conducted with the Maple Leaf Monster Hop-Up. The test is done indoors with the Stark Glock 18C Gas Blowback Pistol, at 20 metres, .20 BBs, and Green Gas. So how is the improvement over the original hop-up? Better watch below. You can check this product and more airsoft items at Airsoft Taiwan.