https://midstatefirearms.com/product/black-nitride-threaded-glock-17-g17-9mm-barrel-12-28-threads/

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Enhance your glock 17 or complete your build with this Black Nitride Threaded 9mm barrel.  Features 1/2-28 Threads.  

Note: pic may show ss until updated, but this Glock 17 threaded barrel is nitride finished. 

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