Supply Of Steel Forging Breech Block Slide 1623 66025.00 Drg.no.skm-281*2 'ni' Spot Test Will Be Carried Out On 100% Forgings.mcro Etch As Per Astme-381 With Acceptance Standard Asc2, R2,s2 A Nmir Test As Per Is-4163-anx.a Nature 'c` Enclosed.(highly Stressed).