GSS20-40 GSS2133-TS2 GSS2133-TS2M GSS-2-3.8-G GSS-2-3.8-G S/C OAL GSS-2-7-G GSS-2-7-G S/C W/HOLE .373 OAL GSS3 GSS-3-2.2-G GSS-3-3.8-G