Free Floating M-LOK Enhanced Handguard – SIG Matchlite 2 Stage Trigger – 16 Stainless Steel Barrel – Mid-Length Gas System – Moss Green Cerakote Finish – CALIBER 5.56MM NATO – FRAME MATERIAL ALUMINUM – FRAME FINISH MOSS GREEN CERAKOTE – BARREL MATERIAL STAINLESS STEEL – BARREL FINISH NATURAL – MAGAZINE CAPACITY 30 ROUNDS – SIGHTS OPTIC READY – TRIGGER 2 STAGE SIG MATCHLITE – OVERALL LENGTH 30.8 in – OVERALL HEIGHT 7.5 in – OVERALL WIDTH 2.5 in – BARREL LENGTH 16 in – BARREL TWIST 1:8 in – WEIGHT W/MAGAZINE 6.5 lb