SIG Folding Pivoting Contour Brace - Cold Hammer Forged Barrel For Ultra Compact Design - Fullly Ambidextrous Controls - Interchangable Barrels Now Compatible with All LT Barrels and Handguards - SIG Flatblade Match Trigger - CALIBER 7.62X39 - FRAME MATERIAL ALUMINUM - FRAME FINISH BLACK ANODIZE - BARREL MATERIAL COLD HAMMER FORGED CARBON STEEL - BARREL FINISH MAG PHOSPHATE - MAGAZINE CAPACITY 28 ROUNDS - SIGHTS OPTIC READY - TRIGGER 2 STAGE MATCH ADJUSTABLE - OVERALL LENGTH 25.75 in - OVERALL HEIGHT 7.4 in - OVERALL WIDTH 2.25 in - BARREL LENGTH 7.75 in - BARREL TWIST 1:9.5 in - WEIGHT W/MAGAZINE 6.1 lb