3d Printed M4 Standing Magwell Display Mount $18 per. Available in other colors per request Lock into mag release! Confirmed fit in… G&P lower, Krytac lower, Wolverine lower, Cyma lower, g&g FN2000, g&g AK5C, G&P Magpul battle rifle, a little iffy on an ASG bren, PTS ACR is very tight, LY T65K2, ICS L86 a little finicky but clicks into place, EMG keltec RBD very tight, King arms ultra grade M4, Real Sword Type 97/97b extremely tight. Not compatible with JLS Beretta RX4 Storm or classic army AR16 m16 Vietnam Lmk if you try for others and works!!! If you have anything else you would like printed don’t hesitate to send me a message!!!