A Romanian PSL rifle with a Warsaw rail Over the Kalashnikov rifles, the Warsaw rail is attached towards the left facet on the receiver when viewed within the rear. What sets the M4 RAS apart from other two-piece quad rails in the marketplace is the fact it securely locks on https://rasquadrail39573.blogzag.com/68233288/how-knights-armament-drop-in-rail-can-save-you-time-stress-and-money