Something to check out at Impact Force CQB as they release their Impact Force Custom 13-in. Wirecutter M4 AEG... "This M4 series rifle comes with a full metal body, and high quality engravings. An CTR stock allows you to adjust the length of rifle to fit your needs. A 300 round high capacity magazine is included. Metal flash hider can be screwed off for installation of a 14mm CCW threaded silencer. ust cover can be flipped open to reveal hop-up adjuster. An Angry Gun Wire Cutter Rail system with aluminum construction made, you can design the rope style you want. 

The PTS BAD-ASS for AEG's is officially licensed by Battle Arms Development. The BAD-ASS selector is the best known modular AR platform ambidextrous safety selector on the market. It has a modular design that allows you to choose among several selector lever types to for one that best suits your needs and comfort as well as give you multiple options to enhance the appearance of your AEG.

This gun custom with APS-X system use a regular expansionary bend(like a funnel), when the BB into the front hop-up.It can achieve the BB in a smooth and effective to the right location.Ensure that the BB in a right position and keep the shooting consistency.

Features:

• Full Metal Body
• 14mm CCW threaded Comp
• Professional Matte Black Finish
• mbidextrous fire selector switch
• APS-X Hopup System
• PTS Bad-Ass selsector
• CTR stock (TAN)
• Angry Gun Wire Cutter Rail with Outter Barrel
• MAGPUL PTS MOE hand grip (TAN)"