GSS8 GSS-8-2.2-G GSS-8-3.8-G GSS-8-3.8-G S/C W/HOLE .415 OAL GSS-8-7-G GSS-8-7-G S/C W/HOLE .415 OAL GSS-9-3.8-G S/C W/HOLE .395 OAL GSS9431 GSS9475SC GSS9510