The SIG MCX-SPEAR LT folding stock is a minimalist design with a detachable cheekpiece to aid in the use of optics. [Relatively] Lightweight And Compact The original M16 weighed just 6 lbs.

a six-position folding stock, ambidextrous controls, a match trigger, an adjustable gas piston, and M-LOK and Picatinny accessory mounting systems. Sig introduced the civilian Spear in January ...