M-K II A1/A2 AR-15 Lower Parts kit


The kit includes the G.I. safety selector, springs, detent, roll pins and take-down pins needed to complete your AR-15 receiver. When installing the Wisconsin Trigger Company M-K IIA1 or A2 trigger  in a bare receiver.

*Does not include the pistol grip and trigger guard

SKU: N/A Category: Product ID: 183

Additional information

Lower Parts Kit

A1/A2 lower parts kit, A3 lower parts kit.