IWI CARMEL CSR16: The IWI US CARMEL rifle is a semiautomatic, short stroke, gas piston rifle. Made from superior steel, aviation grade aluminum and high strength impact modified polymer for outstanding performance in all environmental conditions. The rifle has a locking, rotating bolt system ensuring maximum safety for the user. IWI US CARMEL is fully ambidextrous and can be easily customized with MLOK rails at the 3, 6 and 9 position to allow compatibility with various accessories. Features: Short-stroke gas piston Completely ambidextrous and can be converted easily in the field 2 position gas regulator - (Regular, Suppressor) Cold hammer-forged, chrome-lined, free-floating barrel, for enhanced accuracy & prolonged life cycle Hard-anodized monolithic aluminum MIL-STD 1913 Rail MLOK accessory rails at the 3, 6 and 9 o'clock positions Advantages and Benefits: Designed for minimum operator and armorer level maintenance All the metal parts of the weapon are corrosion resistant Body built with high strength impact modified polymer Uses any NATO MIL STD 5.56 Steel, aluminum, or polymer magazines Optimized Ergonomic Design: Side folding stock with variable length of pull and comb height - the weapon can be fired with a folded stock Fully ambidextrous: safety lever, magazine release, bolt catch, non-reciprocating charging handle Enlarged trigger guard for easier access for glove use 3 points of sling attachments QD or Cord