MDT Sporting Goods Accessories Chassis Rear Bag Rider M-LOK Black Aluminum M-LOK Buttstock Rear Bag Rider - the buttstock accessory that completes your rifle build. The MDT Rear M-LOK Bag Rider is a rugged and reliable attachment that attaches to any M-LOK surface on a rifle buttstock. They attach with the M-LOK machine screws that are included with the stocks. However, the surface area is much greater than that of a bag, which creates a point of contact that absorbs some of the recoil. The MDT Buttstock Rear M-LOK Bag Rider w/ Rounded Profile has a long 5 inch surface to better interact with a variety of bags to allow for more in-line recoil characteristics. Its slim profile ensures there is no rear overhang to interfere with LOP or buttpad adjustments. Made from 6061-T6 aluminum with Mil-Spec Type III hard anodized finish, this Rear Bag Rider from MDT is built to last.image Features: - Compatible with M-LOK mounting systems commonly found on buttstocks like the MDT ACC - ESS and SRS V5 - Long 5 surface to better interact with a variety of bags to allow for more in-line recoil characteristics - Rounded front and side surfaces to reduce snagging and catching - Slim profile to match up with buttstock width - No rear overhang to interfere with LOP or buttpad adjustments - 6061-T6 aluminum construction - Mil-spec Type III hard anodized finish to stand up to repeated usage Specifications: - Type: M-LOK - Finish: Black - Material: 6061-T6 Aluminum - Finish: Mil-spec Type III hard anodized finish - Additional Features: Long 5 in surface