What is the Maximum BB weight that a stock airsoft gun can lift?! - 4UAD SmartAirsoft

I bet you haven’t seen an Airsoft Hop up effect this clear before, and guess what? We even got a grading system to grade its hop up performance! Check out how we test out this Stock ICS Sig 552 AEG, and find out its hop up performance!!! Click here for subscribing our awesome stuff► Watch the 4UAD 【 Range Test 】from the following link ► Get the【 ICS Sig 552 Range testing data 】by going to ► Watch the 4UAD 【 Grouping Test 】from the following link ► If You Don’t Wanna Miss Any important informations, Follow Us On : Facebook ► Instagram ► If you got some good ideas from this