• precision porting on manual mill

    Precision porting on 
    a manual mill.

    Joe working on a spiral ported brake.

  • internal bore with mini lathe

    Internal boring of a
    stock adapter. 

    Here you see Joe working with the mini lathe.
    He's working on the internal
    bore of a stock adapter.

  • stock adapter mount

    Precision drilling
    using indexing
    tool on mill



    Due to some technical difficulties we have had to take the store down but we are rebuilding. Email us if you need to place an order and are unable to do so.

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HPA Sports

Our parts are proudly manually machined right in Boise, Idaho.

We are also the only distributor for Blue Fork Designs.