Lead & Steel Llc LS556PEN-MID-14.5 5.56mm 14.50" Pencil Profile Features M4 Feed Ramps
https://www.tandktactical.com/shop/7427053012386-lead-steel-llc-ls556pen-mid-14-5-5-56mm-14-50-pencil-profile-features-m4-feed-ramps-57818
https://www.tandktactical.com/web/image/product.template/57818/image_1920?unique=ce78009
The Lead & Steel AR-15 barrels are turned from 4150 Chrome Moly Vanadium Steel and coated in a QPQ Black Nitride finish.
