![](https://s3images.coroflot.com/user_files/individual_files/611293_noztrjw2c8csxahytfjhqbwcf.jpg)
I replaced the barrel with copper piping and removed the air restictor.
![](https://s3images.coroflot.com/user_files/individual_files/611293_tz2mdxaczyus7mf7tu0sfl6ya.jpg)
The tape on the end of the barrel holds a rolled up piece of paper to further tighten the contact between the barrel and dart.
![](https://s3images.coroflot.com/user_files/individual_files/611293_l7ete3bjbzszuuuadgp8ngxt2.jpg)
Any wiggle room was filled with hot glue.
![](https://s3images.coroflot.com/user_files/individual_files/611293_rri3u_se4rzqursg2edcclwqh.jpg)
The eight shooter was much more work but when it was completed I was very satisfied with the results.
![](https://s3images.coroflot.com/user_files/individual_files/611293_h88hnlszx6itf9jcx0mqqk7bs.jpg)
Each air restictor was removed and each barrel was replaced with copper piping.
![](https://s3images.coroflot.com/user_files/individual_files/611293_5ygl7y0drrwom4frd_e5jg_jf.jpg)
Paper filled any gaps between the darts and the barrel.
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