Sig Sauer P320 5.5" Full Size 9mm Threaded Barrel, Black - 1/2-28

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Factory Sig Sauer drop-in threaded barrel for P320 Full-Size 9mm pistols.
Fits Sig Sauer P320 Full-Size models

*This barrel does not have the cut out for the loaded chamber indicator

Threaded in 1/2 x 28