The Block-Worx two
piece holding fixture for the AR-15 family of flat-top upper receivers
offers superior protection for your AR-15 upper receiver while
performing a number of maintence and assembly functions. This
set can be used with left or right hand uppers, 9MM or rim-fire uppers,
most any variant of the AR-15 family of flat-top upper receivers will
work with this set of action blocks and it will accommodate most hand
guard configurations without modification to the fixture. The
two piece hol...
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