HDD DEVELOPED BUFFER FOR THE SCAR 16, 17 & 20. FELT RECOIL IS REDUCED, ESPECIALLY FOR RAPID FIRE OR FULL AUTO USE.  THIS HDD BUFFER IS NOW STANDARD EQUIPMENT ON OUR SELECT FIRE RANGE OF SCARS AND SBR WEAPONRY.  WE MAKE THESE FROM A SPECIAL COMPOUND OF RUBBER (NOT PLASTIC),TO GIVE THE BEST PERFORMANCE AND A LONG LIFE.  THIS ITEM SAVES THE REAR PLATE/STOCK MOUNT AND RECEIVER FROM DAMAGE, ONE OF THE WEAK POINTS OF THE SCAR DESIGN.  INSTALLS IN ONE MINUTE ONTO RECOIL SPRING/GUIDE ROD WITH NO MODIFICATIONS TO YOUR FIREARM. THE BEST BUFFER MADE FOR THE SCAR PLATFORM.