Versatile sturdy light fast. Time-proven design. Quality manufactured w/heat-treated steel & hard alloys. Black anodized finish. Quick-detachable. Model BR: Lowest bipod. Most useful for shooting off the bench. Pistol shooters favorite. Model L: Compact & light. For prone position or benchrest. Model H: For prone or sitting shooting best for varmint shooting.Model 25: Some may be more comfortable in prone positoin. From sitting extra height allows more leeway in shooting at an elevated target. Most versatile of the tall rests. Model 25C: Tallest of the series. May be better suited for unusually tall or heavy men. NOTE: "S" models rotate to either side for instant leveling on uneven ground.