This adapter allows you to use an M4 AEG magazine with your 870 style shotgun such as the TM Breacher. Now with CNC magazine release and feed tube, as well as adjustable screw side shims!

Features:

• Recessed magazine release prevents accidental magazine drops

• Internal BB retention mechanism reduces BB loss during magazine changes

• Massively improves the ‘skirmish-ability’ of your shotgun

• Compatible with most M4 magazines ( We recommend PTS EPM1’s)

• US style foster fitting installed as standard (EU available upon request)

• Strong reinforced polymer construction