AUX-LOC AUX-LOC Battery Lock-Out for EOTECH xps/exps optics AUX-LOC Battery Lock-Out for EOTECH xps/exps optics STOP CHANGING BATTERIES AND START CHANGING MAGS AUX-LOCâ„¢ Eliminates Parasitic Drain by 100% during storage and transit AUX-LOCâ„¢ Replaces the... MSRP: Was: Now: $29.00 Add to Cart