Spring Guide Spacer (Pack of 5)

• Unfilled Nylon Co-polymer. Very abrasion resistant and non abrasive, will not leave abrasive powder around the spring guide area.

• Very lower friction 

• Increases FPS ( 5 to 15 fps per ring )

Inner & Outer Diameter :

• 10.2mm & 15.0 mm ±0.1mm (for 10mm spring guide)
• 10.7mm & 15.0 mm ±0.1mm (for 10.5mm spring guide)
• 11.2mm & 15.0 mm ±0.1mm (for 11mm spring guide)
• Krytac Spring guides =10.7mm. 10.7mm spring guide will fit perfectly with minor sanding of the internal seam

PLEASE measure your spring guide to be certain of the correct sizing