GunsModify Aimpoint M2/M3 Lens Protector

Prevents damage from bb impacts!
Fits all genuine and clone airsoft Aimpoint M2/M3 red dot sights
Completely clear lens
Installation is quick and easy:

Step 1 : remove protective film from both sides of lens protector
Step 2: insert lens into ring cap.
Step 3: see 2 grooves on the inside of the ring cap, carefully insert one o-ring in each groove (4 o-rings included in case you mess up)
Step 4: Insert ring cap onto sight, fit should firm and snug