1/2 Inch UNF Threaded Protector

A1 DECOY LTD Verified independent store

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High quality blued thread protector for all popular silencer adaptors and barrels with a 1/2 UNF male thread. Approx. 1cm long - the photo is much larger than the actual item! 1/2 UNF = 20 TPI (threads per inch), this model wont suit rifles with 1/2 UNEF (28 TPI) threads. Show more