This adapter adds .75 inches to the FX barrel shroud. Female 1/2 x 20 to Male 1/2 x 20

Features:

• 6061 T6 aluminum
• length .75 inches
• Includes thread protector
• Black anodize
• Weights: 1.5oz
• 28MM outer diameter – correct for Wildcat (all versions), Crown & MK2, Impact, MK2 & M3, Maverick and others