The newly optimized SIG SAUER MPX PCC platform includes a Timney single-stage trigger, free-float ergonomic slim line M-LOK handguard, 16” threaded barrel, 5-position telescoping stock, 3 ...

Sig Sauer, Inc. just announced the ultra-compact ultra-compact Sig Sauer MPX Copperhead with new features including a suppressor-ready barrel with A2 flash-hider, expanded 30-round magazine ...

Sig Sauer’s new short-barreled MPX Copperhead submachine gun was made public at the 2019 SHOT Show, a firearm industry trade event held in January 2019 in Las Vegas, Nevada.