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Review Summary
Steel
Midway USA Product #197-552 -- 37 Caliber 250 Grain Flat Nose Gas Check -- RCBS 37-250-FN
076683855701
The RCBS Lube-A-Matic Top Punch #570 is precision machined to fit bullet nose shapes to eliminate nose deformation. This Punch fits RCBS Lube-A-Matic Bullet Sizer/Lubricator or Lyman 450/4500 Lube Sizer.