3d file : https://cults3d.com/:3589752

Key Features:
- Feeds from AEG M4 magazines (use PTS magazines for best feeding)
- Innovative BB latch design
- Works with green gas and HPA
- Windows to see the BBs feed
- Easy to print and assemble (only 4 printed parts)
- Easy access to the track for cleaning/maintenance

Things that you will need:

Required:
1 x Hi-capa pistol (Designed for TM, but AW, WE, KJW and SSP have been tested and work too)
1 x TM Hi-capa magazine (If you are not using a TM Hi-capa, you must acquire a TM magazine with a high loading hole! These mags are included with TM hicapas, or you can buy them separately -> Example 1: https://www.wgcshop.com/products/tm-mag-hc51 , Example 2: https://shop.jkarmy.com/tokyo-marui-31-rds-magazine-for-tm-hi-capa-5-1-gbbp-series-black-tm096.html)
1 x Spring from pen (roughly 4 x 10mm)
1 x AEG M4 magazine catch (can also be printed https://www.thingiverse.com/thing:4410603)

Optional but recommended:
1 x M3 nut
1 x M3x16 Countersunk Screw
1 x HPA fitting for Marui gas magazine ( Converts your green gas magazine to HPA, I used this one: https://www.aliexpress.com/i/1005006750796503.html