They look to be different in design besides just the comfort grip part
https://www.amazon.com/dp/B000SOSC4Y/?tag=atomicindus08-20
vs.
https://www.amazon.com/gp/product/B005EXO81K/?tag=atomicindus08-20
https://www.amazon.com/dp/B000SOSC4Y/?tag=atomicindus08-20
vs.
https://www.amazon.com/gp/product/B005EXO81K/?tag=atomicindus08-20