The Tier One ATAC Bipod is a ultra versatile, premium quality rifle bipod for high-performance, long range shooting. FeaturesModular - change adapters and feet easily on the one bipod. Also - now you can use the same adapters for your Tactical and ELR Bipods as well (latest gen only, not retrofittable to old models).Lightweight - 7075 alloy Limitless positional versatilitySmooth-Cam QD Picatinny versionsPerfect for precision rifle competitions like NRL Hunter, plus extreme mountain hunting, and moreRake forward 45degreeUltra wide splayOver 1000 possible leg positions