New to ARCA rails need help on what to buy and how to make it work

Bigzams

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Minuteman
Feb 19, 2010
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San Marcos Texas
Last edited:
First, do you have the Magpul Hunter or the Pro as they are different models.

If this the Pro the rail you posted just installs using MLOK. I recommend the RRS adapter for the Harris as it will clamp on ACRA and Picatinny rails.
 
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