GSS-18-2.2-G GSS-181N GSS-1-7-G S/C W/HOLE .385 OAL GSS-1-7-G GSS-152M GSS-141N GSS-1-3.8-G S/C W/HOLE .385 OAL GSS-1-3.8-G GSS-122M GSS-11-7-G S/C OAL