SIG SAUER Barrel/Gas Block Assy MCX Piston 5.56 16" Spear LT

Sig Sauer MCX Spear LT Prefit Barrel 5.56x45mm NATO 11.5" Black

Sig Sauer Cross Caliber X-Change Prefit Barrel 6.5 Creedmoor 18" Stainless

Sig Sauer Cross Caliber X-Change Prefit Barrel 6.5 Creedmoor 24" Stainless

Sig Sauer Cross Caliber X-Change Prefit Barrel 308 Winchester 16" Stainless

SIG SAUER MCX-Spear LT 5.56 NATO 11.5" 30rd Pistol | Coyote Tan

Sig Sauer MCX Spear LT Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

SIG SAUER MCX 5.56 NATO 10.3" - FDE