The Sight Bloc from Range Systems is a recycled rubber product that acts as a rifle rest. The Sight Bloc adjusts to three different heights.
The Sight Bloc is said to be very durable and according to the company, it “will not freeze, absorb water, or decompose, and always provides a stable and sturdy rifle shooting position.” The Sight Bloc is no lightweight at 14 pounds, and should not shift while shooting.
MSRP is $49.99. Currently the company is offering a promotion that includes free shipping on the Sight Bloc.