Modular system allows for ultimate customistation Fully Ambidextourous Design Available in Black, Grey, Tan and Dual tone Trigger unit can be lifted out and replaced as a whole unit Fires on Semi Auto Only Straight pull trigger with trigger screw to adjust any trigger slack VMP compensator fitted to all models to fit the VMP suppressor, but can be removed to reveal a 14mm thread to tracers/suppressors Threaded inner and outer barrels allow for changes in barrel length Fully RS (real steel) /GBB spec, outer barrel, stock tube and grip