"The CZ Bren 2 Ms Carbine Semi-Auto Rifle utilizes a short-stroke gas piston system with a return spring. The Bren 2 features a folding stock as it does not need a buffer tube. The Bren 2 is lightweight due to it's carbon fiber composite lower and aluminum upper. The ""Ms"" designation means the forend is modular and can be swapped to different lengths or styles. The non-reciprocating charging handle stays in the forward position and can be swapped between left and right sides. Ambidextrous bolt release, mag release, and safety selector keep the Bren 2 lefty friendly. Carbon fiber-reinforced polymer lower Aluminum upper receiver Cold-hammer forged 16.5"" barrel Short-stroke gas piston operated Folding stock Ms forend modularity Non-reciprocating charging handle Fully ambidextrous"