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Kuna short stroke buffer spacer release image
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Kuna short stroke buffer spacer

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Released Indexed 205.7KiB Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Does not appear to meet verification standards
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These spacers are installed behind the factory buffer and limit the maximum rearward travel. This increases the rate of fire, with the downside of being less reliable with an FRT. If you want the best performance, I would use the factory buffer with a higher-power spring.

I have provided many sizes, so no matter what FRT or non-FRT setup you have, you can short stroke it to your liking. If using my drop-in, it's recommended to use the 7mm spacer and potentially go up 1 or 2 sizes on the activator to maintain consistent function. With an aftermarket lower paired with FRTs that are located on the safety you will likely be able to get away with even more of a short stroke.

If you are trying to match the HBI short stroke buffer and not using an FRT, the 20mm will be the equivalent.

I have included every size up to the 20mm so you can fine-tune to your liking. As mentioned before, this is not a recommended add-on, but is available for those chasing the max rate of fire out of their kuna.

The spacer should slide directly on without the need to drill out the holes or use a tool for uninstall, as you do with other designs.

LBRY Tags: kuna; super saftey; short stroke; buffer; spacer

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