M16 BUFFER TUBE SLING MOUNTS MODEL: BTSM-R | BTSM-L | BTSM-AM SAGE Buffer Tube Sling Mounts are machined steel replacements for the factory receiver plate. Provides a convenient, low-profile attachment point for clip-on, single-point slings. Precision machined for superior strength and features a Mil-Spec durable manganese phosphate Parkerized finish that resists surface abrasion and corrosion. Right, Left, and Ambidextrous Available Easy removal or installation Rugged construction All steel construction Proven design Made in the U.S.A.