A SIG MCX-SPEAR LT bolt and recoil spring assembly ... Unlike AR-15 designs, which require a fixed receiver extension to house the buffer and recoil spring, a design like the MCX that follows ...

the MCX VIRTUS utilizes the proven SIG Sauer short-stroke piston system and unique internal recoil system that eliminates the M4-style buffer tube. The result is a compact, light-recoiling ...

Hot off its new contract with the U.S. Army, Sig Sauer has ... s popular line of MCX gas-operated piston AR-15-style rifles. But MCX has the benefit of not needing a buffer tube in the stock ...

SIG Sauer’s new MCX-SPEAR fires bullets with twice the kinetic energy of those from an AR-15. That means double the horrifying force that mangled the victims of the mass shooting in Uvalde ...

The Sig Sauer MCX Virtus Patrol (chambered in 5.56 ... That means the Virtus Patrol doesn’t require a buffer tube. Less weight slamming back equals less recoil. Plus it can increase reliability.

Sig Sauer MCX SPEAR, the civilian version of its new Next Generation Squad Weapon, selected in April 2022 by the Army as its M4/M16 and SAW replacement for close combat forces. (Sig Sauer ...

The Sig Sauer MCX was born as rifle caliber replacement for the Heckler & Koch MP5SD submachine gun. Why? Well, because they could. Submachine guns developed prior to the MCX were hamstrung by ...