Franklin Armory's F17 SPR features a 4140 Chromoly steel 18" thin contour barrel with a salt bath Nitride chamber, bore, & finish. Its upper and lower receiver is forged from 7075-T6 aluminum with a hard coat type III anodized black finish. The stock is a Mission First Tactical Battlelink Minimalist Stock with a angled non-slip rubberized buttpad and a QD sling mount.