To confuse the actions were never marked with the B as that designated balck and whehn the markings were stamped the Guns could still be a black or chromed gun. Silver streaks drop the B fro model designation. Both transitionals used the same trigger, bolt and hammer package with [push pull saftyĬB9A is what they have now but that has ghone from Walnut to Sycamore?. I'd say the best guess given the info on hand is it's between a 1956 - 1958 model (Based on rear sight and high comb).ĬB9 was early transitional packed in lead.ĬB9PA was late transitional. Simple Markings - the words '5mm Cal' and 'Made in USA' on opposite side introduced in 1960. Partridge-style front sight with vertical rear face - Incorporated 2-3 years after introduction of the C model : 1951-1964 Roll pins indicate 3rd year production onward.- 1952 on Stock and Forearm - If 4 screws were used in place of roll pins on the forearm, then it indicates one of first two years of that model - along with thin 'almost crude' stock and thin cylindrical forearm 1949-1951. Narrow Trigger Guard - 1959 and earlier (can't see it in your pic but there should be philips screws holding the trigger guard instead of rivets) Rear Sight - sight held by small allen-head screw opposing two dimples on opposite side : 1956 - 1971 (earlier models featured permanently soldered rear sights with knurled windage knobs)Īutomatic Safety - Pre 1963 when rocker was introduced.

Straight bolt handle - Earliest C models up to 1961 when bolt handles became curved : 1949 -1960

Here are some known facts as they pertain to your rifle: Until 1956, the rear sight was soldered with the first year knurled windage adustmentsġ960 5 M/M Cal & Made in USA added to pump tubeġ961 saw evolution of the bolt from straight to curved to pear shaped with hole (eventually removed 1975)ġ963 with a switch from the hold down safety to the rocker safetyġ964 changed the front sight to a forward ramp style.ġ964 Inspection dates were stamped on left side of receiver (Backwards and alphabetically) My Silver Streak manufactured between 1956 1958 hope this helps.

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