Clip-On eyeshields #391-30N & 391S-30N

Designed to match #390
For use by right or left handed shooter
Clips to your glasses with a spring loaded rubber clamp
Can be easily flipped up out the way for normal vision
#391-30N translucent white, I.S.S.F. 30mm
#391S-30N black, I.S.S.F. 30mm