Knurled 1/2 UNEF (1/2X28) Delrin Thread Protect Adapter helps protect the threads of your barrel while in storage or transit.
Made out of durable delrin which is light weight and would very well protect those 1/2 UNEF (1/2X28) Threads.
No more worries about corrosion with this adapter.
Warranty : Replacement warranty up to 3 months if the product fails.
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