Original U.S. Vietnam War Experimental M-16 Illuminated Rear Night Sight with Spare Bulb Category_Brunswick Parts though the belt clip end

though the belt clip end has a broken leaf spring

the leather in very good condition

The rifle would keep slipping off his shoulder and he'd have to reach down for it

never issued and are exactly what the U

Original U.S. Vietnam War Experimental M-16 Illuminated Rear Night Sight with Spare Bulb Category_Brunswick Parts though the belt clip endOriginal Item. Only One Available. This is an outstandingly scarce M 16 illuminated night sight developed during the Vietnam War. The sight has a very small glass with a small battery operated bulb that would activate and display a reticle. The sight was meant for use in low light areas and is in no way a night vision sight. This model is featured within the AR 15 Vickers Guide by Larry Vickers, but we do not have access to the book to find it. There