Excellent Condition Smith Enterprises Vortex Flash Hider - SOLD The Vortex is machined from 8620 bar stock steel, case-hardened, parkerized finish. 2 1⁄4″ long,.861″ diameter. It is Sound Suppressor capable. It is not a timed item & does not required the use of a lock washer.The Vortex conceals the flash essentially 99.999% - even on full auto. I accept discrete Paypal & can ship this item.