SIG MCX-Spear LT

SIG Sauer Inc. · Rifle · In Production · 2022

Weight (empty)3374 g (119.0 oz)
Overall Length876 mm (34.49")
Barrel Length406 mm (15.98")
Magazine Capacity30 rounds
Action TypeGas Operated Short Stroke Piston
Firing MechanismHammer Fired
Effective Range500 m (547 yd)
Frame MaterialForged Aluminum Alloy

Primary Caliber: 5.56x45mm NATO

The SIG MCX-Spear LT is a lightweight, multi-caliber gas-piston carbine introduced by SIG Sauer in 2022 as a downsized civilian companion to the 6.8mm MCX Spear. Built on the third-generation MCX platform, it uses a short-stroke gas piston operating system and a tool-less quick-change barrel system that allows the user to switch between 5.56 NATO, .300 AAC Blackout, and 7.62x39mm chamberings. The rifle features fully ambidextrous controls, a non-reciprocating side-charging handle, an M-LOK free-...

Country of Origin: United States

Designer: SIG Sauer Engineering Team