Primary Arms Forward Extension Spacer for AA Red Dot PAFES
The Primary Arms Forward Extension Spacer for the AA Battery Red Dot is just what you need to mount your sight slightly forward. The spacer raises the optical axis from 30 to 39mm and it brings the sight forward 40mm. This allows you to mount the optic a magnifier and rear backup sight on the receiver rail. Works only with Primary Arms red dot models PA-AAMRG3 and PA-AASDG3. The spacer features a 1 year warranty.