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Fast Sight Systems R1

Fast Sight Systems R1
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Price: $189.00
Product ID : fast-sight-systems-r1


The Fast Sight Systems R1 is a revolutionary new product for the AR-15 enthusiast and professional shooters alike. It is a simple, small, add-on component that allows for a controlled rotation of the weapon while keeping the stock firmly planted in your shoulder. This means you can switch from scope to sight quickly and without having to adjust your hand, head or shoulder position. The R1 comes with an assortment of springs for desired return strength to meet your needs, and it can be easily reconfigured to work for right or left handed shooters.



The Fast Sight Systems R1 is a small, lightweight add-on component for your AR series rifle that allows for a smooth, controlled rotation from scope to sight without removing the stock from your shoulder. Your purchase will include 3 different resistance springs so you can tailor fit the return strength and speed to your liking. 

  • Does the R1 work for left AND right handed people?
    Yes! By switching the stopper and return spring in the assembly, the unit will work in opposite directions.

  • Is the spring return tension adjustable?
    Yes. Three different tension return springs are included.
  • What types of guns is the R1 compatible with?
    The R1 is designed to work with the AR-15, but it will work with any rifle with an AR style buffer tube.

  • How do you keep spring tension on the buffer spring if the R1 adds some length to the buffer tube?
    Included with the R1 is a buffer tube spacer which will keep the original tension on the buffer tube spring.

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