The Raptor-SL features slim-line handles for customers who require an ultra low-profile, anti-snag design. From rapid palm "blading" or finger thumb charges for the weapon, the motion is fluid and fast from either strong or support side. Made in the USA from aircraft grade 7075 aluminum and MILSPEC anodized. Size: AR15/M16 Low profile Slim-line handles for customers who require an ultra low-profile, anti-snag design Made in the USA from aircraft grade 7075 aluminum MILSPEC anodized