What do you use 300BLK for? With subsonic and supersonic loadings available for self-defense hunting and target shooting theres no wrong answer. 300BLK has solidified itself as one of the most user-tailored cartridges out there today. With a 16.1 barrel this DISSENT feels meant to be in and leaves no performance behind.The rear of every DISSENT rifle features the DISSENT side folding stock with adjustable length of pull and adjustable cheek riser. A forward non-reciprocating charging handle allows for quick and easy manipulation without coming off target and the M-LOK handguard with top picatinny rail provides ample mounting space for whatever accessories you please. Adjustable Gas Block300 BLK is an incredibly adaptable cartridge with different loadings for specific uses like suppressed. With the adjustable gas block on each 300 BLK DISSENT you can fine tune the gas system to best suit the supersonic or subsonic ammo loadings you like best.