JMac Customs - Skeletonized Pistol Grip Black. The design of the SPG-AR was inspired by our SFG (Skeleton Forward Grip) and together they make a great addition to your firearm Compatible with most platforms that accept an "AR" style pistol grip including SCAR. Specifications for JMac Customs SPG-AR - Skeletonized Pistol Grip: Manufacturer: JMac Customs Color: Black Features of JMac Customs SPG-AR - Skeletonized Pistol Grip Includes Mounting Hardware Package Contents: JMac Customs SPG-AR - Skeletonized Pistol Grip JMac Customs SPG-AR: SPG-AR - Skeletonized Pistol Grip Black