For MWS M4 GBB with MIL-SPEC thread specifications Receiver (like Angrygun /Guns Modify /NOVA Receiver)
Marui original lower Receiver need to replace a threaded ring! Later BJ TAC will release a separate threaded ring that can be installed on the original Marui mws lower Receiver
Product 190/316
This product was added to our catalog on Monday 29 May, 2023.