First Factory Hard Frame Lock Pin For Tokyo Marui HK416D AEG Airsoft

First Factory Hard Frame Lock Pin For Tokyo Marui HK416D AEG Airsoft Steel Construction Airsoft Pin ( Phosphate Finish) Design For Upgrade The Original Parts More Durable Suitable For Tokyo Marui HK416D Electric Gun AEG Airsoft Also Fit for Most AR15/ M4 Pattern AEG Rifle Airsoft Gun