25mm. Not sure why 40mm L/56 Multipurpose ArtilleryBy Frank Pierce Young with minor assistance of Tim Lanzendoerfer The 40mm L/56, a product of the Swedish Bofors company, probably TrusttheClampProfessionals 6336 225-036 63004-0036 – 13/4 23/4 44 70 13/4 2 40 5040 150-040 6840 Idea …

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