Shop › GGP P320 COMPACT TB BLACK NITRIDE GGP P320 COMPACT TB BLACK NITRIDE $187.19 Grey Ghost Precision GGP320 Compact, Match Grade Barrel, Fits Sig Sauer P320 Compact, 9MM, Threaded, 1/2 x 28 RH, 416R Stainless Steel, Black Nitride Finish BARREL-P320C-T-BN Quantity: Add To Cart Added! Grey Ghost Precision GGP320 Compact, Match Grade Barrel, Fits Sig Sauer P320 Compact, 9MM, Threaded, 1/2 x 28 RH, 416R Stainless Steel, Black Nitride Finish BARREL-P320C-T-BN