Caldwell Zero Max, Shooting Rest, Green 546889 DIMENSIONS: 23 inches L x 12 inches W ACCURACY: With a durable tube steel frame and elevation adjustment this is a rock-solid shooting base for rifles and shotguns NON-DESTRUCTIVE: This rest features a non-marring, filled, medium varmint front bag and a ballistic nylon rear rest that will securely hold your gun without damaging any point of contact EASE OF USE: Adjustment knobs are conveniently placed to allow for easy adjustments that do not require removing the gun from the rest VERSATILITY: This full-length rest is simple and convenient all while having the ability to accommodate rifles and shotguns