Tokyo Marui Spare Parts M4 CQBR BLOCK1 / MGG2-31-64 & MGG2-135-161 (Lower Receiver & Hammer Unit Assembly)

Tokyo Marui Spare Parts M4 CQBR BLOCK1 / MGG2-31-64 & MGG2-135-161 (Lower Receiver & Hammer Unit Assembly)

Same receiver set up as the Tokyo Marui MK18 Mod.1

All hammer unit parts from MGG2-31 to MGG1-64 and lower receiver parts from MGG2-135 to MGG2-161 are included (sling swivel attached / CQBR BLOCK1 & MK18 MOD1 version)

> Depending on deliveries the sling swivel ring may be packed separately.