This block combines the Hammer Drop Block and the Magazine Well Block into one unit. Not only does it provide a clamping point for the AR-15 lower, it also protects the hammer during dry fire. Delrin.
This is a combination of the magazine well block and the hammer drop block
Inserts into magazine well and may be clamped in a vise to hold lower receiver in place during gunsmithing or maintenance
To use, remove upper receiver and place block in magazine well.
Allows dry-firing without hammer damage when installing or adjusting a trigger
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