Tokyo Marui M&P9 V-Custom color-chrome which can cause the shooter

which can cause the shooter to shoot either Too High or Too Low

Recommended precision length as below:

Metal version 2 gearbox with 8mm bearings and a bearing spring guide

Improper charge of gas may not be able to empty all Plastic Bullet in the magazine (especially under cool weather)

Put your finger on "finger way"

Tokyo Marui M&P9 V-Custom color-chrome which can cause the shooterTokyo Marui M&P 9 V Custom GBB Gas Blow Back Pistol with Semi Automatic Shooting Mode (15mm Large Bore Cylinder Inside) New Generation Military & Police Pistol (Flat Dark Earth Finish) Innovative Hop Up Thumb Dial located inside the gun (can see after dissemble the slide) Realistic Detail Marking Slide with Wave Cutting Design On Rear White Dot Front & Rear Hybrid Night Sight (With Fluorescent Function) 20mm Picatinny Under Rail for tactical