MagPul M-LOK QD Sling Mount Black Backpacks The P3 filter does have

The P3 filter does have two plugs on it that need to be removed before use

taking on virtually any screw in virtually any location

Adjustable sleeve cuffs

or at play

MagPul M-LOK QD Sling Mount Black Backpacks The P3 filter does haveThe M LOK QD Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push button QD slings. Machined from Mil Spec anodized aluminum, the low profile M LOK QD Sling Mount features beveled edges to reduce snagging and has an anti rotation design that prevents swivels from spinning. All hardware necessary for attachment directly to M LOK Slots is included and and no modifications to the M LOK hand guard or forend is required.