Lead & Steel Llc LS556PEN-MID-16 5.56mm 16" Pencil Profile Features M4 Feed Ramps Mid-Length
https://www.tandktactical.com/shop/7427053012355-lead-steel-llc-ls556pen-mid-16-5-56mm-16-pencil-profile-features-m4-feed-ramps-mid-length-57820
https://www.tandktactical.com/web/image/product.template/57820/image_1920?unique=83a99d5
The Lead & Steel AR-15 barrels are turned from 4150 Chrome Moly Vanadium Steel and coated in a QPQ Black Nitride finish.
