Do the 300 BLK barrels w Carbine Gas Tube and F Marked FSB have the WASP finish? What is the thread on the barrel, 5/8"-24? What steel is the barrel made out of? Thanks.
shadowcop [Team Member]
1/7/2012 9:10:08 AM
Originally Posted By blfuller:
Do the 300 BLK barrels w Carbine Gas Tube and F Marked FSB have the WASP finish? Yes What is the thread on the barrel, 5/8"-24? Yes What steel is the barrel made out of? Not sure if they are 4140 or 4150
