- Compatible with both standard and next-generation M4 series!
- Essential for fitting overseas handguards or outer barrels!
- Ensures precise positioning and eliminates looseness!
- Set includes 3 types of shims: 0.1mm, 0.3mm, and 0.5mm, with 3 pieces each!
 
These M4 Series Outer Barrel Adjustment Shim Ring Set are a must-have when installing overseas handguards or outer barrels on standard or next-generation M4 series airsoft guns. When fitting overseas-made handguards or outer barrels, differences in dimensions can cause misalignment, improper angles, or looseness with the main body.
 
By using these shims, you can achieve accurate barrel nut positioning and eliminate any play in the outer barrel, ensuring a tighter fit! To cater to various user needs, the set includes three types of thicknesses: 0.1mm, 0.3mm, and 0.5mm.
 
Set Contents:
- 3 pieces of 0.1mm thickness (inner diameter 26mm, outer diameter 30mm)
- 3 pieces of 0.3mm thickness (inner diameter 26mm, outer diameter 30mm)
- 3 pieces of 0.5mm thickness (inner diameter 26mm, outer diameter 30mm)
 
Compatible Models:
- Electric Gun Standard Type M4 Series
- Next-Generation Electric Gun M4 Series
- Other outer barrels with a diameter of 26mm or less