GMSTB 2.5/ 8-STF-7.62 GMSTB 2.5/10-ST GMSTB 2.5/12-ST GMSTB 2.5/12-ST-7.62 GMSTB 2.5/2-ST-7.62 GMSTB 2.5/3-ST GMSTB 2.5/8-ST GMSTB2 GMSTB2,5/10-ST-7,62 GMSTB2,5/2-ST