Compatibility: For Tokyo Marui and other compatible VSR-10 Airsoft Sniper Rifles using standard Pro Sniper outer barrels and inner barrels with 8.55mm outer diameters.

Features:

• Made from High Strength Delrin
• Greatly Reduces Inner Barrel Movement and Improves Accuracy
• Simply slides onto your barrel, making installation easy and fast
• Includes two spacers to maximize stabilization along the entire length of your barrel