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 300 BLK - FRAME MATERIAL ALUMINUM - FRAME FINISH BLACK ANODIZE - BARREL MATERIAL COLD HAMMER FORGED CARBON STEEL - BARREL FINISH MAG PHOSPHATE - MAGAZINE CAPACITY 30 ROUNDS - SIGHTS OPTIC READY - TRIGGER 2 STAGE MATCH ADJUSTABLE - OVERALL LENGTH 24.75 in - OVERALL HEIGHT 7.4 in - OVERALL WIDTH 2.25 in - BARREL LENGTH 6.75 in - BARREL TWIST 1:5 in - WEIGHT W/MAGAZINE 5.8 lb