![]() ![]() The new trigger guard has a rib running around the exterior of both sides. Whereas previously, the trigger guard/mag well were machined from a solid billet of steel, it was changed to an assembly fabricated from stamped parts. The most significant change and external appearance whereby the M48B may be identified is the trigger guard. The specific changes in parts is unverified but include stamped barrel and H-bands and the magazine spring follower. ![]() The most critical factor to understand about this model is that it continued to be stamped on the receiver ring M48A. M48B: 1956-1965- Additional sheet metal stampings incorporated. were machined from forged steel) in the A and B variations. The critical bolt and receiver which contain the pressure of the burning propellant within the cartridge case retained the same material requirements and design tolerances (i.e. These changes sped production while lowering cost. the M48A used sheet metal stampings for the magazine floor plate. M48A: 1952-1956- Inclusion of stamped parts. M48: Nov 1950 - Feb 1952- The initial version of the M48, with full crest and all machined steel parts. Than you have the M48/63 that is still produced to this day as an hunting rifle. The M48 with no letter after the M48 were only made for about one year from late 50-early 52 and the M48A was made from Jan 52 - 1956 when they started making the M48B (witch I have never seen one in the US) than you have the M48 BO that was made from 56-65 have I ily seen 5 of these. ![]()
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