Sig Sauer Cal-x Kit MCX 300black 9" Black CALXMCX9B300B

Sig Sauer Caliber Exchange Kit, For Mcx, 300blk, 9", Black Calx-mcx-9b-300b

Product Type: Upper
Finish/Color: Black
Fit: Sig MCX
Description: Caliber X-Change Kit
Caliber: 300 Blackout